Servings: 12

Ingredients:

  • All-purpose flour (1/2 cup + 2-1/4 cups)
  • Dark brown sugar (1/2 cup)
  • Room temperature butter (4 tbsp + 5 tbsp)
  • Cinnamon (1 tsp)
  • Baking powder (2 tsp)
  • Baking soda (1/2 tsp)
  • Salt (1 pinch)
  • Vegetable oil (1/3 cup)
  • White sugar (1 cup)
  • Eggs (2)
  • Sour cream (1 cup)

Directions:

  1. Preheat oven to 350°F and line or grease a muffin tin.
  2. Mash together 1/2 cup flour, brown sugar, 4 tbsp butter, and cinnamon until texture resembles wet sand. Set aside.
  3. Whisk together 2-1/4 cups flour, baking powder, baking soda, and salt. Set aside.
  4. Using an electric mixer, mix 5 tbsp butter, oil, and white sugar until incorporated.
  5. Add eggs one at a time, mixing until incorporated after each.
  6. Add sour cream and mix until just incorporated.
  7. Gently mix in flour mixture until a thick batter forms.
  8. Divide half of batter between muffin cups and top with half of brown sugar mixture.
  9. Repeat with remaining half of batter and brown sugar mixture.
  10. Bake until a toothpick comes out clean (~25 minutes).
  11. Cool in tin for 5 minutes before removing.