2 cups All-purpose Flour, Plus More For Work Surface 250g
¼ cup Cornmeal 29.25g
¼ cup Plus 2 Tablespoons Granulated Sugar 50g
1 tbsp Baking Powder 13.8g
½ tsp Salt 3g
2 tbsps Cold Unsalted Butter, Plus More For Baking Dish 28.4g
2 tbsps Vegetable Shortening 28.4g
1 cup Whole Milk 244g
1 large Egg, Lightly Beaten 50g
2 lb Fresh Peaches, Peeled, Pitted, And Sliced (or 2 Pounds Frozen Sliced Peaches, Thawed) 907.2g
1 cup Firmly Packed Light-brown Sugar 220g
2 tsp Fresh Lemon Juice 10.16g
2 tbsps Cornstarch 16g
½ tsp Ground Cinnamon 1.3g
Pinch Salt 0.2g
1 tsp Pure Vanilla Extract 4.2g
2 pints Fresh Blackberries (or 10 Ounces Frozen Blackberries, Unthawed) 580g
Vanilla Ice Cream, For Serving