Dutch Butter Cake (Boterkoek) 2 cups (250 grams) all-purpose flour 8 ounces (2 sticks) unsalted butter 2/3 cup (150 grams) sugar 1/4 teaspoon salt 1. Preheat oven to 350 degrees F. Line an 8x8 baking dish with foil. 2. Melt the butter and mix it with the flour, sugar, and salt until just combined. Don't