Step 1

Preheat oven to 400° and spray a 14 x 11½ x 2¼ baking dish with a non stick spray. Set aside.

Step 2

Peel and thinly slice potatoes, approximately ⅛" thick. Place in a large bowl until ready to use.

Step 3

In a large frying pan, melt butter over low flame then add onions and garlic. Saute for about 4-5 minutes.

Step 4

Sprinkle flour over onion mixture, stir and cook for a couple minutes.

Step 5

Gently pour vegetable broth into pan and stir, add salt and pepper, seasoning and heavy cream. Stir until thickened, remove from heat just prior to boiling and then add 2 cups of cheddar cheese. Stir.

Step 6

Layer ⅓ of the potato slices in baking dish then add ⅓ of the sour cream and ⅓ of the cheese sauce over the potatoes.

Step 7

Top with ⅓ of the Parmesan, ⅓ pepper jack cheese and ⅓ of cheddar cheese.

Step 8

Repeat layering 2 more times ending with cheddar cheese.

Step 9

Cover with foil and place in oven. Cook for 1½ - 2 hours.

Step 10

About 15 - 20 minutes prior to potatoes being done, remove foil to brown the cheese a bit.

Step 11

Remove from oven, let sit for about 15 minutes, then enjoy.