01 -
In a large skillet, add onions and cooking oil, and cook until onions are slightly browned.
02 -
Add uncooked ground beef to the skillet. Heat and stir until fully cooked through, then drain excess fat.
03 -
Reduce heat to low. Stir in mustard, ketchup, and chopped dill pickles. Allow mixture to simmer for about 3 minutes while stirring frequently.
04 -
Remove skillet from heat and stir in half the shredded cheese. Set the mixture aside.
05 -
Lay tortillas flat. Evenly distribute the meat mixture onto each tortilla.
06 -
Top each burrito with the remaining cheese, chopped tomatoes, and any additional toppings such as lettuce, if desired.
07 -
Fold in the ends of each tortilla and roll tightly to form burritos.