PHILLY STEAK SANDWICH MEAT

 1/2 large onion, sliced

 3 cloves garlic, chopped
 1 pound beef sirloin, cut into 2-inch strips
 1/2 teaspoon ground cumin
 1/2 teaspoon ground black pepper
 1/2 teaspoon chili powder
 1/2 teaspoon onion powder
 1/2 teaspoon garlic powder
 1/4 teaspoon paprika
1/4 teaspoon dried thyme
1/4 teaspoon dried marjoram
1/4 teaspoon dried basil
2 tablespoons bourbon whiskey (such as Jim Beam®), optional
1 teaspoon soy sauce
1 teaspoon prepared mustard
1 teaspoon Worcestershire sauce
1/2 teaspoon hot sauce (such as Frank's Red Hot ®)
1 (12 fluid ounce) can or bottle beer
2 cubes beef bouillon

Spread onion and garlic into the bottom of a slow cooker; layer beef over onion and garlic. Sprinkle cumin, black pepper, chili powder, onion powder, garlic powder, paprika, thyme, marjoram, and basil over beef; top with bourbon, soy sauce, mustard, Worcestershire sauce, and hot sauce. Pour beer over beef mixture and add beef bouillon cubes.

Cook on Low, stirring every hour or so, for 8 hours (or High for 4 hours).   

Note: I got this recipe and photo from allrecipes several years ago.