Which recipe needs the most frozen raspberries in light syrup? State its title.
frozen raspberries in light syrup is a name of an ingredient; max_qty = min_qty
SELECT T1.title FROM Recipe AS T1 INNER JOIN Quantity AS T2 ON T1.recipe_id = T2.recipe_id INNER JOIN Ingredient AS T3 ON T3.ingredient_id = T2.ingredient_id WHERE T3.name = 'frozen raspberries in light syrup' AND T2.max_qty = T2.min_qty