Sourdough Oatmeal Muffins

Name: Sourdough Oatmeal Muffins
Prep time: 20 min
Cook time: 15 min
Total time: 35 min
Cuisine: American
Ingredients: 1 ½ cups (180 grams) all-purpose flour; 1 ¼ cups (100 grams) rolled oats; 2 teaspoons baking powder; ½ teaspoon baking soda; 1 teaspoon Diamond Crystal Kosher Salt; 2 teaspoons cinnamon; ½ cup (113 grams, 1 stick) unsalted butter (melted); ¾ cup (150 grams) brown sugar (packed); 3 large (150 grams) eggs (room temperature); ½ cup (120 grams) whole milk (room temperature); ½ cup (100 grams) sourdough starter discard (room temperature); 1 teaspoon vanilla extract; 1-1 ½ cups mix-ins (such as chocolate chips, raisins, dried cranberries, etc.) (optional)

Instructions

Prep:20minCook:15min

These Sourdough Oatmeal Muffins are made with rolled oats and all butter for a hearty, make-ahead breakfast or snack. With just a bowl and whisk, this easy sourdough discard recipe is ready the same day and sure to become a new favorite.

Updated at: Tue, 23 Dec 2025 02:40:56 GMT