Blueberry-Lemon Muffins
["1 3/4 c. regular flour", "1/4 c. sugar", "2 1/2 tsp. baking powder", "1 egg, well beaten", "3/4 c. half and half", "1/3 c. cooking oil", "1 c. blueberries", "1 lemon"]
["Stir together flour, sugar, baking powder and 3/4 teaspoon salt.", "Combine egg, milk and oil.", "Add all at once to flour mixture.", "Stir until moistened.", "Fold in blueberries which have been mixed with 2 tablespoons sugar, the peel of 1 lemon and the juice of that lemon."]
["regular flour", "sugar", "baking powder", "egg", "cooking oil", "blueberries", "lemon"]