Cheesecake Muffins - With fruit

1 (4 ounce) package cream cheese 2 tablespoons icing sugar 1/3 cup butter , softened 2/3 cup brown sugar 1 egg 1 teaspoon grated orange rind 2 cups flour 2[...]

2 cups all-purpose flour 2 teaspoons baking soda 1 teaspoon baking powder 1/2 teaspoon salt 1/4 cup ricotta cheese (do not use nonfat) 1/2 cup sugar , plus 2[...]