Substances:
- 1/2 teaspoon salt
- 2 lbs floor beef
- 3 tablespoons chopped onions
- 1 minced garlic clove
- 1 chipotle chile in adobo , minced
- 4 hamburger buns
- 1/3 cup finely beaten pretzel
- 4 slices cheddar cheese
- 1/2 cup beer
- 2 tablespoons plight luxuriate in