Combine oats and buttermilk in a medium mixing bowl; let stand 30 minutes.
Add next 6 ingredients to oats mixture, mixing well. Stir in melted butter.
Spoon batter into greased muffin pans, filling two-thirds full. Bake at 400° for 25 minutes or until golden brown. Cool slightly; remove from pan, and serve warm.
Oxmoor House Homestyle Recipes