Upside-Down Apple Pie
["1/2 c. walnut halves", "1/4 c butter or margarine, melted", "1/2 c. firmly packed light brown sugar", "pastry for 2-crust 9-inch pie, unbaked", "1/2 c. granulated sugar", "2 1/2 c. (one 1-lb. 4 oz. can) apples slices, drained", "2 Tbsp. all purpose flour", "1/2 tsp. ground cinnamon", "1/4 tsp. salt", "1 tsp. ground nutmeg"]
["Arrange nuts, flat sides up, in butter in deep 9-inch pie pan.", "Pat brown sugar over nuts and cover with a thick circle or pastry, 1/8 inch thick.", "Trim edges.", "Mix remaining ingredients and spoon into pastry.", "Cover with top crust.", "Bake in pre-heated moderate over (350\u00b0) for about 40 minutes.", "Cool for 5 minutes. Serve warm, plain or with whipped cream or ice cream."]
["walnut halves", "butter", "brown sugar", "pastry", "sugar", "apples", "flour", "ground cinnamon", "salt", "ground nutmeg"]