INGREDIENTS
1/4 cup
butter
8 cups
sliced yellow onions
3 tbsp
all-purpose flour
2 cloves
garlic, minced
4 1/4 cups
beef broth
1 1/2 cups
water
1 tbsp
tomato paste, optional
1 1/2 tsp
salt
1 1/2 tsp
ground black pepper
1
small loaf French bread
olive oil, as needed
shaved Asiago cheese