Definition: In this task, you have to generate the title of the recipe given its required ingredients and directions.
Input: ingredients:  '1/2 cup sugar', '1/4 cup Land O Lakes Butter, softened', '1 cup sour cream', '2 tablespoons lemon juice', '1 teaspoon freshly grated lemon zest', '1 Land O Lakes Egg', '1 1/2 cups all-purpose flour', '1 teaspoon baking soda', '1 cup fresh or frozen blueberries, unthawed', '1 tablespoon sugar', '1/2 teaspoon freshly grated lemon zest',<sep> directions: 'Heat oven to 375F.', 'Grease muffin pan cups or place paper baking cups into muffin pan cups; set aside.', 'Combine 1/2 cup sugar and butter in bowl.', 'Beat at medium speed, scraping bowl often, until creamy.', 'Add sour cream, lemon juice, 1 teaspoon lemon zest and egg.', 'Continue beating, scraping bowl often, until well mixed.', 'Combine flour and baking soda in bowl.', 'Stir flour mixture into sour cream mixture just until moistened.', 'Gently stir in blueberries.', 'Spoon into prepared muffin pan cups.', 'Combine 1 tablespoon sugar and 1/2 teaspoon lemon zest in small bowl.', 'Sprinkle about 1/4 teaspoon mixture on top of each muffin.', 'Bake 20-25 minutes or until lightly browned.', 'Cool 5 minutes; remove from pan.'

Prize Winning Blueberry Muffins