Mini Coffee Cake (Print Version)

# Ingredients:

→ Streusel

01 - 3 tablespoons (36g) brown sugar
02 - 3 tablespoons (36g) granulated sugar
03 - ½ teaspoon cinnamon
04 - ⅛ teaspoon nutmeg (optional)
05 - ⅛ teaspoon salt
06 - 4 tablespoons (56g) unsalted butter, melted
07 - ½ cup + 1 tablespoon (68g) all-purpose flour

→ Cake

08 - ½ cup + 2 tablespoons (75g) all-purpose flour
09 - ½ teaspoon + ⅛ teaspoon baking powder
10 - ⅛ teaspoon salt
11 - 2 tablespoons (28g) unsalted butter, softened
12 - ¼ cup (50g) granulated sugar
13 - 1 large egg, room temperature
14 - ½ teaspoon vanilla extract
15 - 2 tablespoons sour cream
16 - 2 tablespoons milk

# Instructions:

01 - Preheat oven to 350°F (175°C) and lightly grease a 7x5-inch baking dish.
02 - In a small bowl, whisk together brown and granulated sugars, cinnamon, nutmeg, and salt. Drizzle in melted butter and mix until well combined. Gradually incorporate flour until completely integrated. Refrigerate until needed.
03 - In a small bowl, whisk together flour, baking powder, and salt. Set aside.
04 - In a medium bowl, cream butter and granulated sugar until light and fluffy, about 1 minute. Beat in egg and vanilla until well-combined. Incorporate sour cream. Fold in half the flour mixture, followed by 1 tablespoon of milk. Repeat with remaining flour mixture and milk until just combined.
05 - Pour batter into prepared dish and crumble streusel mixture over the top in pea-sized pieces. Bake for 28-34 minutes, until a toothpick inserted into the center comes out with just a few crumbs.
06 - Allow cake to cool for at least 15 minutes before cutting and serving.

# Notes:

01 - Measure flour by weight for best results, or use the spoon and sweep method for accuracy.
02 - Baking time may vary depending on your oven, baking dish, and environment.