You’ll Need:Crisp Mixture 4 cups all-purpose flour 2 cups light brown sugar 1/2 teaspoon salt 3/4 pound butter or margarine (3 sticks) Filling 8 cups prepared zucchini (About 3-4 medium, which have been peeled, halved lengthwise, seeded and thinly sliced) 1/2 cup lemon juice 2 tablespoons apple cider vinegar 1/2