3 cornbread muffins with jalapeenos Recipes

buttermilk cornbread -and-muffin mix, shredded pepper jack cheese, divided, jalapeno pepper, seeded and finely chopped, cold butter , cut into pieces, eggs, divided, buttermilk, parchment paper

unsalted butter, melted, nonfat skim yogurt, eggs, sour cream, yellow cornmeal, all-purpose flour, light-brown sugar, baking powder, coarse salt, jalapenos, seeded and finely chopped, fresh or frozen (thawed) corn kernels