Swiss cheese Mushroom Quiche Recipe

Ingredients

• Crust:
• 1 C. flour
• 1/3 C. cold butter
• 3 Tbl. buttermilk (or water)
• 1 1/2 C. grated swiss (Gruyere is best).
• 1 medium onion - chopped
• 1/4 lb. mushrooms
• thyme
• Custard:
• 4 eggs
• 1 1/2 cups milk
• 3 Tbs. flour
• 1/4 tsp. salt
• 1/4 tsp. dry mustard
• Paprika.