1 cup raspberries, tossed in 1 tablespoon all-purpose flour
1 cup chocolate chips
1 tsp. vanilla extract
1/3 cup plain low-fat yogurt
1 1/2 cups mashed ripe banana (about 3 bananas)
2 large eggs
4 tbsp. (1/2 stick) unsalted butter, at room temperature
1 cup granulated white sugar
1/2 tsp. salt
3/4 tsp. baking soda
2 cups all-purpose flour