Heat the olive oil in a large pot over medium heat.
Add the ground beef and onion and cook, stirring frequently, until the beef is cooked through and the onion is softened and beginning to brown, about 8 minutes.
Add the bell pepper and garlic and cook, stirring frequently, for 2 minutes.
Add the chili powder, paprika, cumin, and cayenne pepper and stir to combine.
Add the diced tomatoes and beans and stir to combine.
Bring to a simmer, reduce the heat to low, and simmer for 30 minutes.
Serve hot with your favorite toppings.
Interesting Facts
Texas-style chili is made without tomatoes or beans, unlike other chili recipes.
Chili powder is a blend of spices, and can vary in flavor and heat level.
Smoked paprika adds a smoky flavor and a subtle heat to this chili.