Chocolate Cake in a Jar | Community Recipes | Nigella's Recipes | Nigella Lawson

Ingredients

• ½ cup unsalted butter (softened at room temp)
• 1½ cups light brown sugar
• 2 medium eggs
• 1 teaspoon pure vanilla extract
• 6 tablespoons unsweetened cocoa powder
• 1½ teaspoons baking soda
• ¼ teaspoon salt
• 1½ cups sifted cake flour
• ⅔ cup sour cream
• ⅔ cup instant coffee (brewed)
• 2 tablespoons butter
• ¾ cup light brown sugar
• 3 tablespoons water
• 1 cup sugar
• ½ cup pecan nuts (halves or pieces)