Spring Cheddar Quiche - Paradise Island

Ingredients

• 1 pre-baked pie shell (9-12 inch)
• 2 tbsp. butter
• 1 onion, chopped
• 1/2 bunch of cooked asparagus, ends removed
• 1/3 cup cooked peas
• 1 1/2 cups Paradise Island Shredded Sharp Cheddar
• 1 cup milk
• 4 eggs
• Salt and pepper, to taste