Ingredients
5 lbs Russet potatoes sliced 1/8″ thick
2 cups onions chopped small
6 cloves garlic minced
¼ cup butter (½ stick)
¼ cup flour
1 ½ cups vegetable broth
1 ½ cups heavy cream
1 Tbs salt
2 tsp pepper
2 tsp Slap Ya Mama seasoning
8 oz sour cream
3 cups cheddar cheese grated, divided
1 cup pepper jack cheese grated
1 cup freshly grated Parmesan cheese
