01 -
Using a sharp knife, slice an 'X' into the top of each tomato and gently open the tops without cutting through completely.
02 -
Brown the ground beef in a skillet over medium-high heat, breaking it apart as it cooks. Once browned, add taco seasoning and stir thoroughly to combine. Let simmer for 2–3 minutes.
03 -
Place shredded lettuce in the bottom of each prepared tomato, ensuring a fresh base for the filling.
04 -
Spoon the seasoned ground beef on top of the lettuce in each tomato.
05 -
Evenly sprinkle diced onions over the beef, then top with a generous amount of shredded Mexican blend cheese.
06 -
Finish each tomato with a dollop of sour cream. Serve immediately alongside taco sauce for dipping.