Blueberry Pecan Crumb Coffee Cake
["1/4 c. unsalted butter, soft", "1/4 c. vegetable shortening", "1 c. sugar", "3 large eggs, slightly beaten", "1 3/4 c. flour", "1 tsp. baking powder", "1 tsp. baking soda", "1/4 tsp. salt", "1 c. sour cream", "3 tsp. grated lemon rind", "3 c. blueberries tossed with 1 Tbsp. flour"]
["Cream", "butter", "and", "shortening\twith", "sugar; beat until fluffy.", "Beat in eggs.", "Combine flour, baking powder, soda and salt.", "To butter mixture add sour cream alternately with flour mixture", "until just mixed. Fold in lemon rind and blueberries. Spread in buttered and floured 13 x 9 x 2-inch pan."]
["unsalted butter", "vegetable shortening", "sugar", "eggs", "flour", "baking powder", "baking soda", "salt", "sour cream", "lemon rind", "blueberries"]