• 3 Tbsp. butter
• 1/4 c. light brown sugar
• 1/4 c. rolled oats
• 1/4 c. flour
• 1/4 c. minced walnuts
• 1/2 tsp grnd cinnamon
• 1 1/2 c. buttermilk
• 2 x Large eggs
• 3/4 c. (1 1/2 sticks) butter, melted
• 3 1/4 c. flour
• 1 c. light brown sugar
• 2 1/2 tsp baking pwdr
• 1/2 tsp baking soda
• 1/2 tsp grnd cinnamon

Directions

1. To prepare topping: Place all ingredients (butter through cinnamon) with butter on top, in a food processor. Pulse a few times till mix is coarse and crumbly. You can do this by hand if you prefer. Set aside.
2. Preheat oven to 400 degrees. Spray a muffin pan with nonstick spray.
3. To prepare batter: Whisk buttermilk and Large eggs together. Stir buttermilk mix and melted butter till well mixed.
4. Stir together flour, brown sugar, baking pwdr, baking soda and cinnamon.
5. Pour buttermilk/butter mix over flour mix, stirring just to moisten.
6. Scoop 1/4 c. of batter into prepared muffin tin (the tin will be almost full).
7. Sprinkle with topping, covering top of each muffin completely. Bake 15 to 18 min, or possibly till a toothpick inserted in center of a muffin comes out mostly clean, with a few moist crumbs attached.
8. Cold for 3 min and turn out onto a cooling rack.