Blackberry-Thyme Crumb Cake

Ingredients

For the Topping

  • 1/2 cup (about 4 ounces) packed light brown sugar
  • 1 tablespoon grated lemon zest from about 1 lemon
  • 1/2 cup (about 2 1/2 ounces) all-purpose flour
  • 3 tablespoons unsalted butter, chilled and cut into small pieces
  • 1/2 cup toasted walnuts, coarsely chopped
  • 4 teaspoons fresh thyme leaves, plus additional for garnish

For the Cake

  • Baking spray
  • 2 cups (about 10 ounces) all-purpose flour
  • 1 cup (about 7 ounces) granulated sugar
  • 1 teaspoon baking soda
  • 1 teaspoon salt
  • 6 ounces unsalted butter, at room temperature
  • 2 large eggs, at room temperature
  • 1 cup (8 ounces) buttermilk, at room temperature
  • 2 tablespoons lemon juice from about 1 lemon
  • 2 teaspoons pure vanilla extract
  • 1 cup (about 12 ounces) blackberry preserves

Preparation

Click here for preparation method.

 

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