A family favorite
Mix sugar and butter until blended.
Beat in eggs, one at a time.
Combine yogurt and buttermilk; add yogurt mixture, vanilla chips, cranberries and extract to egg mixture; stir to blend.
Fold in dry ingredients and stir until combined.
Divide batter evenly among greased or paper lined muffin cups, filling two-thirds full.
Bake at 375 degrees for about 15-20 minutes. Remove to wire rack.