1 lb. hamburger
2 cans beans (pinto, kidney, black, or a combination)
1/4 c. diced onion OR 2 green onions, chopped
3 Tbsp. taco seasoning (packets contain ~2 Tbsp.)
2 Tbsp. water
Hard or soft flour/corn tortillas
Brown hamburger and onions in skillet until no longer pink; drain.
Drain and rinse beans, and add to skillet.
Add taco seasoning and water, heat through.
Fill taco shells with meat and desired toppings.