No Bake Blueberry Chia Seed Pie
1 ½ cups graham cracker crumbs 6 tablespoons melted butter 2 tablespoons sugar 2 cups fresh blueberries (plus extra for topping) 2 cups Greek yogurt ¼ cup chia seeds ¼ cup honey or maple syrup 1 teaspoon vanilla extract 1 tablespoon lemon juice Mint leaves (optional for garnish)