Cornbread Streusel Cake

Ingredients

• For the cake
• 1 cup (226 grams) unsalted butter, at room temperature
• 1/2 cup sugar
• 1 tablespoon vanilla extract
• 1 egg
• 1 egg yolk
• 1 1/4 cups (150 grams) cake flour
• 1/2 teaspoon baking powder
• 1/2 teaspoon baking soda
• 1/2 teaspoon salt
• 1/2 cup creme fraiche (or full-fat Greek yogurt)
• For the streusel
• 3/4 cup freeze-dried corn
• 1/2 cup almond flour
• 1 tablespoon cake flour
• 6 tablespoons melted butter
• 1/4 teaspoon salt