This is also known as Border Menudo, a simple, but delicious, Texas-style menudo.
3 pounds cow stomach (tripe)
1 gallon water
1 (16-ounce) can white or yellow hominy
1 package menudo seasoning mix (or 8 tablespoons each red chili powder and cumin)
Chopped onion (optional garnish)
Lemon juice to taste (optional flavoring)