Favoreats
Favoreats LLC
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INGREDIENTS
1 lb
93% lean ground beef
Cooking spray
1 tbsp
olive oil, divided
1/4 cup
thinly sliced onion, divided
1/4 tsp
salt, divided
1/4 tsp
freshly ground black pepper, divided
1 8 ounce package
presliced cremini mushrooms
1 1/2 tsp
all-purpose flour
1/4 cup
dark lager beer
8
slices rye bread
4
slices reduced-fat provolone cheese