Lemon Curd Cake

Ingredients

• 1/4 cup vegetable oil
• 5 large egg yolks
• 3/4 cup granulated sugar
• 4 cups powdered sugar
• 1 teaspoon vanilla extract
• 2 1/2 teaspoons baking powder
• 1 teaspoon almond extract
• Pinch kosher salt
• 2 2/3 cups all-purpose flour
• 2 teaspoons vanilla extract
• 2 cups granulated sugar
• 1 teaspoon kosher salt
• 1/2 cup sour cream (at room temperature)
• 1/2 cup whole milk (at room temperature)
• 3 large eggs (at room temperature)
• Nonstick cooking spray
• 3/4 cup unsalted butter, at room temperature (12 tablespoons )
• 2 large egg yolks (at room temperature)
• 1/2 cup fresh lemon juice (about 2-1/2 lemons; be sure to zest 1 or 2 of them first)
• 2 teaspoons grated lemon zest
• 6 tablespoons cold unsalted butter (cut into 1/2-inch chunks)
• 1 cup unsalted butter, at room temperature (2 sticks )
• 1/4 cup prepared Lemon Curd
• 5-6 toothpicks (for assembly)