Top pizza with lettuce, tomatoes, avocado, and sour cream.
Preheat oven to 400°F.
In a skillet over high heat, cook ground beef with salt, pepper, and taco seasoning until fully cooked. Remove from heat and set aside.
Place pizza dough on a parchment paper-lined baking sheet. Bake for 10 minutes.
Top pizza dough with beef mixture and cheese. Bake for an additional 5 minutes.
Top pizza with lettuce, tomatoes, avocado, and sour cream.