1Warm the tortillas in a dry skillet over medium heat for about 30 seconds on each side or until they are pliable.
Lay each tortilla flat on a clean surface.
Evenly distribute the cooked ground beef among the tortillas, placing it in the center of each.
Add a layer of cooked white rice on top of the ground beef.
Add a layer of pinto beans on top of the rice.
Sprinkle diced tomatoes over the beans.
Add shredded lettuce on top of the tomatoes.
Sprinkle shredded cheddar cheese over the lettuce.
Add a dollop of sour cream on top of the cheese.
Fold the sides of each tortilla over the filling, then roll them up from the bottom to form a burrito.
Serve immediately and enjoy your delicious beef burrito!