Ingredients
1/2 cup chopped walnuts1/2 cup semisweet chocolate chips1-1/2 cups all-purpose flour1/2 teaspoon salt1/2 teaspoon baking soda1 cup packed brown sugarADDITIONAL INGREDIENTS:1 large egg, room temperature1/2 cup brewed coffee, room temperature1/2 cup canola oil
Preparation
Place walnuts and chocolate chips in a small plastic bag. Whisk together flour, salt and baking soda. Transfer to a 1-qt. glass jar. Layer with brown sugar and walnut mixture. Cover and store in a cool dry place up to 3 months.
To prepare coffee cake: Preheat oven to 350°. Whisk egg, coffee and canola oil. Add flour and brown sugar mixture; mix until combined. Pour batter into a greased 8-in. square baking pan. Sprinkle with nuts and chocolate chips. Bake until a toothpick inserted in center comes out clean, 25-30 minutes. Cool on a wire rack.