Mimi'S Blueberry Coffee Cake(Serves 16)  
["1 c. butter or margarine", "1 3/4 c. flour", "2 tsp. grated lemon peel", "4 eggs", "1 c. sugar", "2 tsp. baking powder", "1/4 tsp. salt", "1 pt. blueberries"]
["Preheat oven to 325\u00b0.", "Grease and flour 13 x 9-inch pan.", "In large bowl, beat butter and sugar until fluffy.", "Reduce speed to low.", "Add flour, baking powder, lemon peel, salt and eggs.", "Beat just until blended, scraping bowl often.", "Increase speed and beat until smooth."]
["butter", "flour", "eggs", "sugar", "baking powder", "salt", "blueberries"]