1Heat oven to 350° F. In large saucepan, melt butter over medium heat. Add onions and garlic, cook 2 minutes or until onions are tender. Stir in flour, salt, pepper; cook stirring constantly, 1 minute. Slowly stir in milk and cream; cook stirring constantly 4 to 5 minutes or until thickened.
2Stir in cheese until melted and smooth. Add peas; stir gently to combine.Spoon mixture into 8 inch square baking dish. Bake 20 minutes. Top with french fried onions; bake an additional 5 minutes. Serve immediately.