Here is how to make these sourdough discard blueberry muffins with oat streusel topping. Step 1: Preheat oven. Preheat the oven to 425°F and line a standard 12-cup muffin tin with paper liners.
How to Make the Jumbo Banana Muffins Preheat the oven to 400 degrees Fahrenheit. Line your jumbo muffin pan(s) with liners, ...