Florentine Soup - cooking recipe

Ingredients

3 Tbsp. butter
4 slices bacon, diced
1/2 c. diced onion
1/2 c. sliced mushrooms
1/4 c. flour
1 gal. milk, warmed
1/4 c. Minor's chicken soup base*
1/2 c. Cheddar cheese
1/2 c. Mozzarella cheese
heavy cream
1/2 tsp. ground mustard
1/2 tsp. white pepper
1 tsp. ground thyme
1/2 tsp. garlic powder
few drops Tabasco
2 bags spinach, cleaned

Preparation

*Gordon's Food Service has this.