Quick, Easy and Yummy Apple Tart. Apple Tart Ingredients: 1 sheet frozen puff pastry (half of 17.3-ounce package), thawed 2 Gala apples, cored, sliced very thinly, But Not peeled 1/2 Tbsp lemon juice, preferably fresh squeezed 1/2 cup brown sugar 1/8 tsp salt Directions: Allow the puff pastry rectangle to thaw on the counter for about twenty minutes, then carefully unfold it. Preheat oven ...