INGREDIENTS
2
lbs Flank steak
4
Garlic cloves, medium
1
Red onion, medium
1/4 cup
Lemon juice, freshly squeezed
1/4 cup
Lime juice, freshly squeezed
1 tsp
Black pepper, freshly ground
2 tbsp
Brown sugar, packed dark
1
Salt
2 1/2 cups
Mexican beer, light