OK, this is easy, and made with mixes. But it's the only way I could get the exact flavor of the blueberry muffins at a popular restaurant in Knoxville. I don't know that this is their recipe, it's just what I came up with after much trial and error trying to duplicate their muffins.
1Preheat oven to 400 degrees. Grease 12 muffin cups, or line with paper baking cups.
2Stir together Jiffy mix, Bisquick, and sugar.
Toss blueberries in the 2 tablespoons flour, then add to the dry ingredients and mix well, distributing evenly. Make a well in the center.
3Pour egg and milk into the well, then combine quickly with the dry ingredients. Do not over mix. Let batter rest 3 or 4 minutes, then stir again before filling muffin cups.
4Fill greased or paper-lined muffin cups 2/3 full. I recommend the greased tins, because these like to stick to the paper, for some reason. Bake at 400 degrees for 18-21 minutes, or until golden brown.