Given the task definition and input, reply with output. In this task, you have to generate the title of the recipe given its required ingredients and directions.

ingredients: '1 12 cups all-purpose flour', '34 cup granulated sugar', '14 cup cocoa', '2 teaspoons baking powder', '1 teaspoon baking soda', '12 teaspoon salt', '23 cup low-fat vanilla yogurt', '23 cup nonfat milk', '12 teaspoon vanilla extract', 'powdered sugar (optional)',<sep> directions: 'Heat oven to 400F.', 'Line muffin cups (2-1/2 inches in diameter) with paper bake cups.', 'Stir together flour, granulated sugar, cocoa, baking powder, baking soda and salt in medium bowl; stir in yogurt, milk and vanilla just until combined.', 'Do not beat.', 'Fill muffin cups 2/3 full with batter.', 'Bake 15 to 20 minutes or until wooden pick inserted in center comes out clean.', 'Cool slightly in pan on wire rack.', 'Remove from pans.', 'Sprinkle powdered sugar over tops of muffins, if desired.', 'Serve warm.', 'Store, covered, at room temperature or freeze in airtight container for longer storage.'
Choco-Low Fat Muffins