Rustic Apple Pie Bars with BrownButter Crumble My GoTo Tray

Ingredients

• For the Crust & Crumble Topping:
• All-purpose flour — 2 1/2 cups (312 g)
• Granulated sugar — 2/3 cup (133 g)
• Light brown sugar, packed — 1/3 cup (67 g)
• Baking powder — 1 teaspoon (4 g)
• Fine sea salt — 1/2 teaspoon (3 g)
• Ground cinnamon — 1 teaspoon (≈2.5 g)
• Unsalted butter, cold and cut into small cubes — 3/4 cup (12 tablespoons / 170 g)
• Large egg — 1 (about 50–60 g)
• Pure vanilla extract — 1 teaspoon (5 ml)
• For the Apple Filling:
• Firm baking apples (Granny Smith, Honeycrisp, Braeburn, or a mix) — 5 cups thinly sliced (about 5 medium apples / 700–800 g peeled, cored, sliced)
• Granulated sugar — 1/2 cup (100 g)
• Light brown sugar, packed — 1/4 cup (50 g)
• Cornstarch — 2 tablespoons (16 g) (or 3 tablespoons all-purpose flour)
• Ground cinnamon — 1 1/2 teaspoons (≈3.75 g)
• Ground nutmeg — 1/4 teaspoon (0.5–1 g)
• Lemon juice — 1 tablespoon (15 ml)
• Fine sea salt — pinch (1/8 teaspoon)
• Optional Glaze:
• Confectioners’ (icing) sugar — 1/2 cup (60 g)
• Milk or cream — 1 to 2 teaspoons (5–10 ml)
• Optional pinch of cinnamon or vanilla