Cherry Blueberry Oat Cookie Pie Crisp

INGREDIENTS

• 1/2 cup (115 g or 1 stick) unsalted butter
• 1/3 cup (75 g) packed dark brown sugar
• 3 tablespoons (40 g) white granulated sugar
• 1 teaspoon vanilla extract
• 1 teaspoon ground cinnamon, divided
• 1 egg yolk
• 1/2 cup (80 g) white whole wheat flour
• 1 cup (120 g) multigrain rolled cereal or old fashioned rolled oats
• 3/4 teaspoon sea salt
• 1/8 teaspoon baking powder
• two pinches of baking soda (about 1/16 of a teaspoon)
• 4-6 tablespoons melted butter
• 4 cups (1lb 6 oz) bing cherries
• 1/2 cup (100 g) white granulated sugar
• 1/4 cup (40 g) cornstarch
• 2 cups (8 oz) blueberries
• 1/2 teaspoon extrait de noyaux or almond extract
• 1/4 teaspoon sea salt