Here’s a list of every non-cooked food item.
Neutral: Leppa Berries, Lum Berry & Fresh Water.
Bitter: Rawst Berries, Potatoes, Seaweed & Roserade Tea.
Dry: Chesto Berries, Cave Mushrooms, Wheat & Soda Pop.
Sour: Aspear Berries & Tomatoes.
Spicy: Fresh Carrot & Chili Sauce.
Sweet: Pecha Berries, Beans, & Moomoo Milk Coffee.
However, their original flavours do not always correspond to what they cook into, so I will also list cooked food items.
Neutral: Simple Salad, Simple Bread, Simple Hamburger Steak, Vibrant Hamburger Steak & Simple Soup.
Bitter: Seaweed Salad, Recycled Bread, Bitter Hamburger Steak & Seaweed Soup.
Dry: Crushed Berry Salad, Mushroom Hamburger Steak & Mushroom Soup.
Sour: Shredded Salad, Leppa Bread, Tomato Hamburger Steak & Flavourful Soup.
Spicy: Crouton Salad, Carrot Bread, Bread Bowl, Electrifying Soup & Healthy Soup.
Sweet: Leppa Salad, Fluffy Bread & Potato Hamburger Steak.
Source:
Cooked Foods: https://www.thegamer.com/pokemon-pokopia-all-recipes-skill-upgrades-unlock-cooking-guide/
Uncooked: https://thegamer.com/pokemon-pokopia-all-food-berries-drinks-vegetables-flavors-guide/
Hope this can help you!