Cinnamon Streusel Coffee Cake

moist sour-cream coffee cake with a cinnamon streusel

Makes 1 cake · 385 kcal per serving

Ingredients

• 250 g All Purpose Flour
• 180 g White Sugar
• 115 g Butter
• 30 g Vegetable Oil
• 220 g Sour Cream
• 100 g Egg
• 8 g Vanilla Extract
• 8 g Baking Powder
• 2 g Baking Soda
• 3 g Salt

Method

1. 1. Streusel: Rub the cold butter into the flour, brown sugar, cinnamon, and salt until it clumps into coarse crumbs; chill until assembly.
2. 2. Batter: Cream the butter and sugar until light, then beat in the oil, eggs, and vanilla.
3. 3. Whisk the flour, baking powder, baking soda, and salt together and add in three additions, alternating with the sour cream and mixing just until smooth; don't overmix.
4. 4. Fold blueberries, diced apple, or chopped pecans into the batter if using.
5. 5. Assemble: Spread half the batter in a greased 9-in tube or 8-in square pan, scatter over half the streusel, then add the rest of the batter and finish with the remaining streusel.
6. 6. Bake: Bake at 350°F / 175°C until a skewer comes out clean, ~45–55 min.
7. 7. Cool 20 min before slicing.