Japanese Mandarin Orange Cake
["2 cans mandarin orange segments", "1 c. butter", "2 1/2 c. plus 1/2 c. sugar", "5 c. flour", "3 tsp. baking powder", "1/2 tsp. salt", "1 c. juice from canned mandarin orange segments*", "6 eggs", "1 tsp. vanilla"]
["*Use 1/2 cup juice in cake and 1/2 cup juice in sugar glaze."]
["orange segments", "butter", "sugar", "flour", "baking powder", "salt", "orange segments", "eggs", "vanilla"]