Blueberry Cream Muffins
["4 eggs", "2 c. granulated sugar", "1 c. vegetable oil", "1 tsp. vanilla", "4 c. flour", "1 tsp. salt", "1 tsp. baking soda", "2 tsp. baking powder", "2 c. (16 oz.) sour cream", "2 c. fresh or frozen blueberries"]
["Beat eggs; add sugar, oil and vanilla.", "Combine dry ingredients alternately with sour cream; add to egg mixture.", "Fold in blueberries.", "Spoon in greased muffin tins or paper cups.", "Bake at 400\u00b0 for 20 minutes.", "Yield: 24 muffins (large)."]
["eggs", "sugar", "vegetable oil", "vanilla", "flour", "salt", "baking soda", "baking powder", "sour cream", "blueberries"]