Rosh Hashana Sweet Potato-Praline Casserole
["3 large eggs", "6 c. canned sweet potatoes or yams, drained", "2/3 c. white sugar", "2/3 c. butter, melted or margarine", "1/2 c. heavy cream or nondairy creamer", "1 1/2 tsp. vanilla extract", "1 c. packed light brown sugar", "1/3 c. all-purpose flour", "1 c. finely chopped pecans", "1/3 c. butter, cut in small pieces", "12 pecan halves for garnish"]
["Preheat oven to 350\u00b0. Grease a shallow 2-quart baking dish. Beat eggs in a large bowl. Stir in potatoes. Mash smoothly. Add remaining ingredients. Mix well. Spread evenly in baking dish."]
["eggs", "sweet potatoes", "white sugar", "butter", "heavy cream", "vanilla extract", "brown sugar", "all-purpose", "pecans", "butter", "pecan"]