→ For the Streusel
01 -
3 tablespoons granulated sugar
02 -
¼ cup brown sugar
03 -
1¼ teaspoons cinnamon
04 -
½ teaspoon ground ginger
05 -
pinch salt
06 -
6 tablespoons unsalted butter, melted
07 -
1¼ cups all-purpose flour
08 -
⅓ cup semi-sweet chocolate chips
09 -
⅓ cup chopped walnuts (optional)
→ For the Cake
10 -
2½ cups all-purpose flour
11 -
2 teaspoons baking powder
12 -
½ teaspoon baking soda
13 -
½ teaspoon salt
14 -
1¼ cups granulated sugar
15 -
¼ cup brown sugar
16 -
¾ cup unsalted butter, room temperature
17 -
3 large eggs, room temperature
18 -
2 teaspoons vanilla extract
19 -
1 teaspoon lemon juice
20 -
1¼ cups sour cream
21 -
1 cup semi-sweet chocolate chips
22 -
½ cup chopped walnuts (optional)