6 large potatoes scrubbed and sliced into 1/4 inch wide slices
8 slices crispy bacon diced
5–6 green onions sliced the white and light green parts only
Salt & Pepper
1 1/2 cups Gouda cheese shredded
5 tablespoons butter
3 cloves garlic minced
1/4 cup flour
2 cups half n half
1 1/2 cups milk
2 cups white cheddar shredded
Preheat oven to 375 degrees. Grease 9×13 inch casserole dish. Layer 1/2 the potatoes in the bottom of the casserole. Sprinkle green onions and bacon over the potatoes. Salt & pepper lightly. Sprinkle 3/4 cup of Gouda cheese over this layer.
Melt butter over low heat in large saucepan. Add garlic and saute for 1 minute. Whisk in flour. Add milk and half n half alternating between the two 1/2 cup at a time. Cook over low heat whisking constantly until thickened. Add the cheddar cheese and continue stirring until the cheese has melted. Turn off, cover and remove from heat.
Layer the remaining potatoes in the casserole dish. Pour the hot white cheddar mixture over the potatoes. Top with the remaining shredded Gouda.
Bake covered with aluminum foil for 1 hour. Remove the foil and bake for an additional 30-40 minutes.