Shrimp Casserole Harpin

2 lb. shrimp
1 tbsp. lemon juice
3 tbsp. oil
¼ cup chopped green pepper
½ cup chopped onion
2 tbsp. butter
1 cup heavy cream
1 tsp. salt
¼ tsp. pepper
1/8 tsp. mace
dash of cayenne pepper
1 can tomato soup
½ cup Sherry
1-½ cup cooked rice
¼ cup slivered almonds

Mix first 3 ingredients in buttered casserole.