Servings: 9
Preheat oven to 400°F and line an 8-inch square baking pan with nonstick foil.
Combine flour, sugar, baking powder, and salt in a food processor. Add butter and process until fine crumbs form.
Transfer the flour mixture to a mixing bowl. Add egg and milk, stirring until just combined.
Spoon batter into prepared pan. Top with jam, swirling it into the batter with a knife.
Mix topping ingredients (except walnuts) until crumbly. Stir in walnuts and sprinkle evenly over batter.
Bake at 400°F for 30-35 minutes. Let cool for about an hour, then cut into squares and serve.
Calories: 416kcal | Carbohydrates: 66.9g | Protein: 5.7g | Saturated Fat: 6.7g | Cholesterol: 47.1mg | Sodium: 326.2mg
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