Deep-dish Ham Pie

Ingredients

1/4 cup butter
1/4 cup all purpose flour
1/2 teaspoon salt
1/4 teaspoon mustard
1/8 teaspoon pepper
1 cup milk
1 teaspoon onion
2 1/2 cups cubed fully ham
1 cup peas
2 eggs
2 in baking dish

Instructions

YIELD: 6 servings