Instructions

  1. Preheat the oven to 400 degrees F.
  2. Place the taco shells on a baking sheet and warm them in the oven, about 8 miuntes; keep warm.
  3. Meanwhile, heat a large nonstick skillet over medium-high heat.
  4. Swirl in the oil, then add the beef, onion, garlic, and seasoning mix.
  5. Cook, breaking up the beef with a wooden spoon, until browned, about 8 minutes.
  6. Stir in the water.
  7. Cook, until the liquid has evaporated, about 3 minutes.
  8. Stir in the beans and heat through.
  9. Spoon about 1/4 cup of the beef mixture into each taco.
  10. Top each with the lettuce, tomato, olives, onion, and sour cream.