Definition: In this task, you have to generate the title of the recipe given its required ingredients and directions.
Input: ingredients:  '1 (8 ounce) package cream cheese, softened', '1 (14 ounce) package pre-baked pizza crust', '1 (5 ounce) can tuna, drained and flaked', '1/2 cup thinly sliced red onion', '1 1/2 cups shredded mozzarella cheese', 'crushed red pepper flakes, or to taste',<sep> directions: 'Preheat an oven to 400 degrees F (200 degrees C).', 'Spread the softened cream cheese on the pre-baked crust. Sprinkle the tuna and onions over the pizza; then top with shredded mozzarella cheese and optional red pepper flakes. Bake in preheated oven until the cheese has melted and started to brown, about 15 to 20 minutes.'

Tuna Pizza