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Ground Beef Baked Tacos

Ground beef baked tacos with crispy upright shells, seasoned crumbles, and melted cheddar. Simple weeknight dinner baked at 350°F, then topped with fresh tomatoes, lettuce, jalapeño, and sour cream.
Prep Time 15 minutes
Cook Time 15 minutes
Total Time 30 minutes
Servings: 8 servings
Course: Main
Cuisine: Mexican-American
Calories: 540

Ingredients
  

ground beef
  • 2 lb ground beef
taco seasoning
  • 2 tbsp taco seasoning
water
  • 0.25 cup water
hard taco shells
  • 16 hard taco shells
shredded cheddar cheese
  • 2 cup shredded cheddar cheese
diced tomatoes
  • 1 cup diced tomatoes
shredded lettuce
  • 1 cup shredded lettuce
sour cream
  • 0.5 cup sour cream
diced jalapeño
  • 0.25 cup diced jalapeño
salsa
  • 1 salsa for serving

Equipment

  • 1 cast iron skillet
  • 1 sheet pan

Method
 

Cook the seasoned beef
  1. Preheat the oven to 350°F. Brown ground beef in a skillet over medium-high heat, breaking it into crumbles as it cooks, until no longer pink, then drain excess fat.
  2. Stir taco seasoning and water into the cooked beef. Simmer for 2-3 minutes, until the mixture looks glossy and clings to the crumbles.
Bake and assemble
  1. Arrange the hard taco shells in a baking dish, standing them upright. Divide the seasoned beef among the shells so the filling peeks out above the edges.
  2. Sprinkle shredded cheddar cheese over each taco. Bake for 10-12 minutes at 350°F until the shells are crispy and the cheese is melted with light golden spots.
  3. Top each taco with diced tomatoes, shredded lettuce, a dollop of sour cream, and diced jalapeño. Serve immediately with salsa on the side.

Notes

For extra-crisp shells, make sure the filled shells sit upright in the baking dish with minimal gaps. Refrigerate leftovers in a sealed container up to 3 days; reheat beef and cheese briefly, then reassemble with fresh toppings. Freezing: freeze only the seasoned beef for up to 2 months, thaw and rewarm, then fill shells. For a lighter option, use lean ground beef (90% or higher) and reduce cheese to 1 cup.