Blend intermittently to desired consistency. Do not overblend. Consistency should resemble that of granola. Add sugar substitute or sugar and orange peel to taste.
Orange peel adds aroma and improves flavor.
Flavor will range from very tart to much sweeter, depending on amount of sweetener used. Line 12 medium muffin cups with paper liners. In a small bowl, toss cranberries with the remaining 2 tablespoons of sugar. Stir into dry ingredients. Add buttermilk, butter, egg, orange peel, and vanilla.