Scalloped Potatoes

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Ingredients

6 Medium Potatoes peeled and thinly sliced
4 Tbsp. butter
3 Tbsp. Flour
1 Tsp. Salt
¼ Tsp. Pepper
2 ½ Cups Milk
1 Small onion, Finley Chopped

Instructions

Preheat oven to 375 F. Mix butter, flour, salt, and pepper in a saucepan. Slowly add ½ cup of milk at a time and stir until boiling, about 1 minute. Arrange in a 2-quart baking dish in 3 layers, leaving enough sauce mixture to cover the top layer. Cover and bake until potatoes are tender about 60-70 minutes then let stand for about 5-10 minutes.