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Caramelized Onion, Spinach and Bacon Pizza

This Caramelized Onion and Bacon Pizza is made with a garlic cream sauce, caramelized red onions, crispy bacon, and sautéed spinach.

Written by: Carla of Carla’s Confections Blog

Overhead view of a sliced caramelized onion and bacon pizza.

Creating This Caramelized Onion & Bacon Pizza Recipe

A lot of times in my cooking, I tend to get into a comfort zone and I don’t like to venture outside of that. Actually, I am like this almost always when I eat. I order the same sandwiches at the same delis; the same flavor of pasta at this certain restaurant, and so on. Why mess with a good thing, right?

I decided it was time to step outside of that zone though when making this pizza. My husband and I are die hard BBQ Chicken Pizza fans, and there isn’t much you can do to get us out of that.

I was excited to make this Caramelized Onion, Spinach and Bacon Pizza — albeit hesitant — and although I enjoyed the process of making it, I was still nervous while it was all coming together. I just wasn’t sure it would be able to live up to our all-time favorite.

Oh how I was wrong! This is now in our top TWO favorite pizzas! BBQ Chicken will probably always win, but this one only comes slightly behind it.

The sauce is a gravy consistency, which worried me a lot when making it, but the homemade dough just amazingly soaks that gravy up; just enough to make the pizza taste of the garlic-y gravy sauce, but not enough to make it soggy.

The sauce just ends up with this perfect crusty flavorful dough and then it is topped with deliciously caramelized red onions, crispy bacon pieces and spinach sautéed in nothing less than bacon grease.

overhead view of a sliced caramelized onion and bacon pizza.

Caramelized Onion & Bacon Pizza Ingredients

To make this spinach, bacon, and caramelized onion pizza, you’ll need:

  • Pizza dough (I’ve given my favorite recipe in the recipe card below)
  • Thick-cut bacon
  • Red onion
  • Fresh spinach
  • Garlic
  • All-purpose flour
  • Milk
  • White wine
  • Mozzarella cheese
  • Parmesan cheese

For the complete ingredient list and detailed instructions, scroll to the bottom of this post for the FREE printable recipe card.

How to Make Onion & Bacon Pizza

This caramelized onion and bacon pizza recipe is easy to make, and the toppings can be prepped while the pizza dough rises. Here’s an overview of how the recipe comes together:

  1. Make the pizza dough: I’ve given directions on how to make my go-to pizza dough in the recipe card below. You’re welcome to use store-bought pizza dough as well.
  2. Prep the toppings: In a medium-sized skillet over medium heat, slowly cook the red onion with 1 Tbsp olive oil, stirring occasionally until the onions have shrunk and become dark golden brown and slightly crispy. This could take 35-45 minutes.
  3. Preheat oven to 425°F.
  4. In a large skillet, cook the bacon over medium-high heat until crispy. Set bacon aside and chop into smaller pieces once cooled down, making sure to leave some of the fat in the skillet.
  5. In the same skillet that the bacon was cooked in, add in the fresh spinach. Cook over medium heat until spinach is wilted, but not crispy. Remove, place in a bowl and set aside.
  6. In the same skillet as the bacon and spinach, add in some reserved bacon grease from earlier, along with 1 Tbsp olive oil and chopped garlic.
  7. Cook for a minute over medium-high heat, add in the flour, stirring well, and slowly add in the milk, stirring constantly until it is well mixed.
  8. Add in the wine and salt and pepper and cook until sauce thickens.
  9. Assemble the pizza: Roll out the dough on a floured surface, then transfer to a baking sheet or pizza stone.
  10. Spread the sauce over the dough, then top with cheeses, spinach, onions, and bacon.
  11. Bake the pizza until the crust is golden brown.

The above is simply a quick summary of this recipe. Check out the free printable card at the bottom of this post for all the detailed instructions.

Side view of a sliced caramelized onion and bacon pizza.

How Long Does Pizza Last?

If stored in an airtight container in the fridge, leftover onion and bacon pizza will last up to five days.

How to Reheat Leftover Pizza

You can reheat pizza easily by preheating the oven to 275°F and placing slices on a cookie sheet in the oven until warmed to desired temperature. This prevents the pizza from getting soggy.

Recipe Substitutions

  • Pizza dough: I made my own homemade pizza dough, but you may use store-bought dough if desired.
  • White wine: If you don’t keep alcohol in the house, feel free to substitute with chicken or veggie broth. Just note that the sauce will not taste as rich.
  • Bacon: Can be substituted with pancetta (you’ll need to buy it raw and cook it in a skillet first).
  • Spinach: You may use any leafy green you’d like.

Typically I don’t recommend making a bunch of substitutions when preparing a new recipe. When making substitutes, you won’t know if you don’t like the recipe or if the recipe didn’t turn out due to a preparation mistake, an ill effect from the substitute, or something else.

However, if you do choose to make substitutions in a recipe, I recommend only making one substitute at a time so you don’t have a building effect of multiple poor substitutions.

More Unique Pizza Ideas:

This Spinach and Artichoke Pizza features a creamy white bean sauce, mozzarella cheese, spinach, and artichoke hearts.

This Homemade Mexican Pizza features a homemade crust, a spiced black bean spread, and tons of veggie toppings. Perfect as a quick dinner or game day snack!

Focaccia bread is a wonderful side to any meal, but add your favorite toppings to this garlic focaccia and you have the best pizza I’ve tasted with this recipe for Pizza Caprese with Garlic Focaccia Crust!

Using raw vegetables and store-bought pita make these Pita Pizzas a quick, easy meal.

This Taco Pizza combines two of your favorite foods into one! Feel free to customize the toppings as you see fit.

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Caramelized Onion, Spinach and Bacon Pizza

Caramelized Onion, Spinach and Bacon Pizza

Yield: serves 3-4
Prep Time: 45 minutes
Cook Time: 30 minutes
Total Time: 1 hour 15 minutes

Delicious homemade pizza with the amazing flavors of a garlic cream sauce, caramelized red onions, crispy bacon and sauteed spinach.

Ingredients

  • 2 1/2 cups all-purpose flour
  • 1/2 tsp kosher salt
  • 1 tsp garlic powder
  • 1/2 tsp red pepper flakes (optional)
  • 3 Tbsp olive oil, divided
  • 1 cup hot water (not boiling)
  • 1/4 tsp sugar
  • 1 (1/4 oz) pkg instant yeast
  • 5 pieces thick-cut bacon, reserving the grease after you cook
  • 1 medium red onion, sliced
  • 4 cups fresh baby spinach
  • 2 large garlic cloves, finely chopped
  • 3 Tbsp flour
  • freshly ground salt and pepper, to taste
  • 1 cup milk (more if needed)
  • 1/2 cup white wine
  • 4 oz shredded mozzarella cheese
  • 2 oz shredded Parmesan cheese

Instructions

  1. Start out by making the dough. Add the hot water, 1/4 tsp sugar and instant yeast to a measuring bowl and stir together. Allow to sit 5-10 minutes to allow to combine, until the yeast forms a "head" on the surface. Meanwhile, in the bowl of a stand mixer, combine 2 1/2 cups flour, 1/2 tsp kosher salt, red pepper flakes if using, garlic powder and 1 Tbsp olive oil and whisk together.
  2. Once the head has formed in the yeast mixture, turn the mixer speed to LOW, and with the beater attached, slowly add in the yeast and water mixture until it is fully combined and dough is starting to form. If needed, remove from bowl, and lightly knead the dough together to form a round ball. If dough is too sticky, add more flour and knead in. Once desired consistency is reached, place in a lightly oiled bowl, cover with plastic wrap and a tea towel and place in a warm area to rise until at least doubled in size. Make the toppings for the pizza while you wait.
  3. In a medium-sized skillet, over medium heat, slowly cook the red onion with 1 Tbsp olive oil, stirring occasionally until the onions have shrunk and become dark golden brown and slightly crispy. This could take 35-45 minutes.
  4. Preheat oven to 425°F.
  5. In a large skillet, cook the bacon over medium-high heat until crispy. Reserve the bacon fat, leaving some in the skillet, and removing roughly 2 Tbsp worth and set aside in a small bowl. Set bacon aside and chop into smaller pieces once cooled down.
  6. In the same skillet as the bacon was cooked in, add in the fresh spinach. Cook over medium heat until spinach is wilted, but not crispy. This should only take 5-7 minutes. Remove, place in a bowl and set aside.
  7. In the same skillet as the bacon and spinach, add in the reserved bacon grease from earlier, along with 1 Tbsp olive oil and chopped garlic. Cook for a minute over medium-high heat, add in the flour, stirring well, and slowly add in the milk, stirring constantly until it is well mixed. Finally, add in the wine and salt and pepper and cook until sauce thickens. If needed, add in more milk or wine to dilute the sauce slightly if too thick. Turn heat off.
  8. Once the sauce is done and pizza dough has risen, lightly flour a flat surface, remove dough from bowl and roll out to desired pizza size. Spray a pizza or cookie sheet with non-stick spray (or use your prepared pizza stone) and place the pizza dough on top.
  9. Spoon some of the sauce over the pizza dough. We didn't use the entire amount of the sauce, but feel free to use as much as you need or want. Top with Mozzarella cheese, Parmesan cheese, caramelized onions and bacon and cook 15 minutes in preheated oven.
  10. After the 15 minutes of cooking, carefully take the pizza out, and top with the wilted spinach, and place back in the oven for the remaining 10 minutes, or as long as is needed to crisp up the pizza until the crust is golden brown and the cheese is bubbling.
  11. Remove, let cool slightly and slice into desired amount of pieces.

Notes

You can reheat pizza easily by preheating the oven to 275°F and place on a cookie sheet in the oven until warmed to desired temperature. This prevents the pizza from getting soggy.

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Nutrition Information
Yield 4 Serving Size 1
Amount Per Serving Calories 693Total Fat 27gSaturated Fat 10gTrans Fat 0gUnsaturated Fat 16gCholesterol 48mgSodium 1114mgCarbohydrates 76gFiber 4gSugar 3gProtein 30g

GoodLifeEats.com offers recipe nutritional information as a courtesy and is an estimate only. This information comes from online calculators. Although GoodLifeEats.com makes every effort to provide accurate information, these figures are only estimates.

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