Peach Berry Crisp

Name: Peach Berry Crisp
Ingredients: 1/4 cup (53 grams) brown sugar; 1 tablespoon cornstarch; 1/2 teaspoon ground cinnamon; 1/2 teaspoon ground ginger; 1/4 teaspoon freshly grated nutmeg; 6 to 8 peaches, cut into 8 wedges; 1 pint blueberries; 1/2 lemon, zested and juiced; 1/2 teaspoon almond extract; 1 cup (130 grams) flour, any kind will work; 3/4 cup (60 grams) rolled oats; 1/4 cup (25 grams) slivered almonds; 1/4 teaspoon kosher salt; 1/2 cup (113 grams) unsalted butter, at room temperature