Homemade Chocolate Chip Coffee Cake with Streusel Topping - Zest Plate

Ingredients

• 3 tablespoons granulated sugar
• ¼ cup brown sugar
• 1¼ teaspoons cinnamon
• ½ teaspoon ground ginger
• pinch salt
• 6 tablespoons unsalted butter, melted
• 1¼ cups all-purpose flour
• ⅓ cup semi-sweet chocolate chips
• ⅓ cup chopped walnuts (optional)
• 2½ cups all-purpose flour
• 2 teaspoons baking powder
• ½ teaspoon baking soda
• ½ teaspoon salt
• 1¼ cups granulated sugar
• ¾ cup unsalted butter, room temperature
• 3 large eggs, room temperature
• 2 teaspoons vanilla extract
• 1 teaspoon lemon juice
• 1¼ cups sour cream
• 1 cup semi-sweet chocolate chips
• ½ cup chopped walnuts (optional)