Onion Tart Recipe - Food.com

Ingredients

• 2 ounces self-raising flour
• 2 ounces whole wheat flour
• little salt
• 1/2 teaspoon mustard powder
• 1/4-1/2 teaspoon cayenne pepper (optional)
• 2 ounces butter or 2 ounces margarine
• 1 1/2 ounces grated cheddar cheese
• 1 1/2 lbs chopped onions
• 2 tablespoons butter
• 2 eggs, beaten
• 4 fluid ounces milk
• salt & freshly ground black pepper
• 2 tablespoons grated cheddar cheese