INGREDIENTS
12
slider buns
1/2 cup
butter
1 medium
yellow onion
4 sprigs
fresh thyme
1 Teaspoon
water
1 serving
kosher salt
1 serving
black pepper
3 tbsp
stone ground mustard
1/2 lb
roast beef deli slices
9 slices
provolone cheese
1 tsp
worcestershire sauce
2 Tablespoons
mayonnaise
1 Teaspoon
dijon mustard
1 Teaspoon
sesame seeds
1 tbsp
parsley
1 clove
garlic
1 cup
low sodium beef broth
1 tbsp
worcestershire sauce