In a large skillet over medium heat, cook ground beef, onion, and jalapeño until the beef is cooked through and the vegetables are tender, about 8 minutes.
Stir in chili powder, cumin, paprika, garlic powder, pepper, and salt. Cook for 1 minute more.
Stir in tomato sauce and bring to a simmer.
Remove from heat and set aside.
On a lightly floured surface, roll out pizza dough into a 14-inch circle.
Transfer dough to a greased baking sheet.
Spread beef mixture over the pizza dough, then top with shredded cheese and diced tomatoes.
Bake for 15-20 minutes or until the crust is golden brown and the cheese is melted.
Remove from oven and let cool for 5 minutes before slicing and serving.
Interesting Facts
Taco pizza is a popular dish in the United States, with some restaurants offering their own version of the dish.
Taco pizza was invented in the early 1980s in the United States.
The most popular toppings for taco pizza are ground beef, tomatoes, onions, jalapeños, and cheese.