Triple Berry Crumbles

INGREDIENTS

• 3 cups fresh blueberries
• 1/4 teaspoon ground cardamom
• 3 cups fresh blackberries
• 1 stick cold, unsalted butter, diced
• 1/2 cup white, unbleached all-purpose flour
• 1/4 teaspoon ground cinnamon
• 1/2 cup brown sugar, lightly packed
• 1 pinch kosher salt
• zest and juice of one Meyer lemon
• 1/4 cup white, unbleached all-purpose flour
• 3 cups fresh raspberries
• 1 cup old-fashioned rolled oats
• 1/2 cup white sugar