In a large mixing bowl, stir together the diced apples, diced strawberries, lemon juice, and vanilla extract. Sprinkle the flour, brown sugar, spices, and salt over the fruit and mix well to coat the fruit evenly with flour.
5 medium (approx. 6-7 cups) apples, 2 cups strawberries, 2 tablespoons (about ½ lemon) lemon juice, 1 teaspoon vanilla extract, ¼ cup all-purpose flour, ¼ cup light brown sugar, 1 teaspoon cinnamon, ½ teaspoon ginger, ¼ teaspoon nutmeg, ⅛ teaspoon salt