Berries Buttermilk Pie

Ingredients

• 4 Eggs
• 1 cup White sugar
• 1 tsp. Lemon zest
• 1 tbsp. All-Purpose flour
• 1/2 stick Butter
• 1 tsp. Vanilla Extract
• 1 cup Buttermilk
• 1 Pie crust
• 1 cup Heavy cream
• 25-30 Raspberries
• a handful Blueberries