1/2 cup all-purpose flour |
1/4 cup sugar |
1/4 cup light brown sugar |
3/4 teaspoon ground cinnamon |
1/4 teaspoon nutmeg |
1/8 teaspoon salt |
6 tablespoons unsalted butter, cut into pieces |
1/3 cup old fashioned oats |
1/4 cup chopped walnuts or 1/4 cup pecans |
6 cups apples, peeled and sliced |
1 cup fresh blackberries (optional) or 1 cup raspberries (optional) |
1 lemon, zest of |
1/4 cup light brown sugar |