Berry Banana Sour Cream Muffins

A Banana Muffin With Real Tang And Berries

These berry banana muffins take the standard banana muffin formula and dial up the moisture with both sour cream and pureed banana. Three overripe bananas plus a quarter cup of sour cream gives every bite a soft, almost cake-like crumb that stays tender for days.

The pureeing step is what separates these from chunky banana muffins. Pureeing the bananas with the sour cream and vanilla creates a smooth, evenly distributed banana flavor throughout the batter, no banana lumps to bite into.

Folding the fresh berries in last (instead of mixing them in early) keeps them whole and intact. Beating berries into the batter breaks them open and stains the whole batch purple. The recipe gets the order right.

The alternating mix method, dry in three additions and banana mixture in two, prevents overmixing while ensuring even distribution. Tough banana muffins are almost always the result of overmixed batter, since gluten develops fast in this kind of wet dough.

Pro Tips

• Use bananas with skins covered in dark spots, almost black. Underripe bananas give bland muffins; overripe ones bring concentrated sweetness and stronger banana flavor.
• Toss the berries in a tablespoon of flour before folding in. The flour coating keeps them suspended throughout the batter rather than sinking to the bottom.
• Fill muffin cups ¾ full for proper domed tops. Less and you get flat tops; more and they overflow.
• Test for doneness with a toothpick in a cake (non-berry) section of a muffin. Berry-filled spots stay moist long after the cake is done.
• Cool in the pan only 5 minutes before transferring. Sour cream muffins go soggy if left in steaming pans.

Variations

• Use half whole wheat flour and half all-purpose for a heartier, more wholesome muffin.
• Stir ½ cup chopped walnuts or pecans into the batter for crunch.
• Sprinkle tops with coarse turbinado sugar before baking for a crackly, sweet crust.