Heat oven to 375°F. Lightly grease a baking dish.
Cook ground beef in a skillet over medium-high heat until no longer pink.
Add onion, bell pepper, and chopped pepperoni. Cook until softened.
Stir in garlic and cook for 2 minutes until fragrant.
Remove from heat. Add pizza sauce, Italian seasoning, ricotta, mozzarella, and bacon. Stir to combine.
Spoon filling onto tortillas, roll tightly.
Place rolled tortillas seam-side down in dish. Top with more pizza sauce, mozzarella, pepperoni, and bacon.
Bake uncovered for 20–25 minutes, until bubbly and lightly browned. Tent with foil if browning too quickly.
Let rest a few minutes before serving.