| | -Cake |
| 2 1/2 | c | Cake flour |
| 2 | ts | Baking powder |
| 2 | ts | Baking soda |
| 2 | ts | Ground cinnamon |
| 1 | ts | Ground allspice |
| 1 | ts | Salt |
| 1 | c | Walnuts, toasted |
| 1 | lb | Tart green apples, peeled, cored, cut into 1-inch pieces |
| 2 | c | Sugar |
| 4 | lg | Eggs |
| 1 | c | (2 stiicks) unsalted butter, cut into 8 pieces, room temperature |
| 2 | tb | Rum |
| 2 | ts | Fresh lemon juice Ponucho Glaze |
| 2 | tb | Unsalted butter |
| 1 | c | Firmly packed dark brown sugar |
| 3 | tb | Milk |
| 1 | c | Powdered sugar Pinch of salt |
| 1 | ts | Vanilla extract |
| 1 | | To 2 tablespoons sour cream Maple-Marshmallow Frosting |
| 2/3 | c | Pure maple syrup or maple flavored syrup |
| 2 | lg | Egg whites |
| 2 | tb | Light brown sugar Pinch of salt |
| 12 | | Marshmallows (do not use miniature), each cut into |
| 8 | | Pieces |
| 12 | | Walnut halves |
