Sweet Wine And Red Grape Muffins

From food blogga" - http://foodblogga.blogspot.com/2009/08/red-grapes-in-muffins-oh-yeah.html"

Place a rack in the middle of the oven , and preheat to 375 degrees f.

Whisk together flour , baking powder , baking soda , and salt.

Beat butter with 2 / 3 cup sugar using an electric mixer on medium speed , until light and fluffy.

Add eggs one at a time , beating well after each addition.

Beat in zest.

Add flour mixture in two batches , alternately wtih wine , beginning and ending flour , mixing until just incorporated.

Toss grapes with remaining tablespoon flour , then fold into batter.

Divide batter among muffin cups.

Sprinkle with remaining 2 tablespoons sugar.

Bake until golden and springy to the touch , 18-20 minutes.

Cool in pan 5 minutes , then loosen with a knife , and remove.

Cool to warm , 5-10 minutes more', dust with confectioners' sugar before serving"]".

all-purpose flour, baking powder, baking soda, salt, unsalted butter, granulated sugar, eggs, orange zest, sweet wine, red grapes