1. Heat oven to 375.
2. Put berries in a 10x6x2 inch baking dish.
3. Sprinkle with lemon juice.
4. Mix the sugar,flour,and egg,stirring until resembles coarse meal.
5. Spread this over the berries.
6. Drizzle melted butter over berries.
7. Bake for 30 minutes.
8. Serve warm with a dallop of whipped cream on side,if you choose.