Tuscan Coffee Cake Recipe | King Arthur Baking

Ingredients

• 1 cup (120g) King Arthur Unbleached All-Purpose Flour or King Arthur Artisan Bread Flour
• 1/2 cup (113g) cool water
• 1/16 teaspoon instant yeast
• all of the starter
• 2/3 cup (152g) water, lukewarm
• 2 3/4 cups (330g) King Arthur Unbleached All-Purpose Flour or King Arthur Artisan Bread Flour
• 4 tablespoons (57g) butter, at room temperature, at least 65°F
• 1 large egg, at room temperature
• 2 tablespoons (25g) granulated sugar
• 2 teaspoons instant yeast
• 1 1/4 teaspoons (8g) table salt
• 1 cup (113g) toasted walnuts, very coarsely chopped
• 3/4 cup (113g) dates, chopped
• 3/4 cup (128g) golden raisins or dried cranberries
• 1/2 teaspoon King Arthur Pure Vanilla Extract
• 1 teaspoon water