Players on Steam are swapping recipes as they experiment or find them. I'm including only the verified ones.
Feel free to add to the list.

*SPOILER ALERT - Don't continue if you want to find them all yourself.

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Milkshake-
- Milk Jug x1

Bottle of Cream-
- Milk Jug x1
- Bottle of water x1

Berries and Cream-
-Strawberry x2
-Bottle of cream x1

Pumpkin Soup-
- Pumpkin x1
- Bottle of water x1

Fruit Salad-
- Strawberry x1
- Raspberry x1
- Blackberry x1
- Gooseberry x1
- Cherry x1

Scramble Eggs-
- Eggs x2

Vegetable Soup-
- Bottle of water x1
- Potatoes x2
- Cabbage x1
- Carrot x1

Vegetable Stew-
- Tomato x1
- Carrot x1
- Eggplant x1
- Milk Jug x1

Recipes from missiloon

Fruit Soup:
- bottle of water x1
- Strawberries x1
- Bottle of Cream x1
-Cherries x1

Ratatouille:
- Tomatoes x2
- Carrot x1
- Eggplant x1
- Red Bell Pepper x1

Scrambled eggs with boletus:
- Eggs x2
- Boletus x5

Scrambled Eggs with chanterelles:
- Eggs x2
- chanterelle x5

Recipe from sarahlkane

Corn on the cob-
-corn x1

Recipe from Snowdew

Creamy Mushroom Soup:
- Bottle of Water x1
- Bottle of Cream x1
- Boletus Mushroom x2

Recipe from kmshark2

Fried Vegetables
- Carrot x1
- Peas x1
- Red Bell Pepper x1

Recipe from bazoungus

Strawberry Jam:
- Water bottle x1
- Strawberry x2
- honey x1

Recipe from Mandarin Blue

Shakshuka:
- Eggs x2
- Tomato x2

From VGJT:

Mashed Potatoes:
Potato x2
Milk x1
Egg x2

from Taity Cake:

Green Vegetable Dish:
1 Peas
1 Broccoli
1 Cream

Recipe from missyOwitch

Cheese:
- Bottle of Cream x2


Recipe from Melethrill

Tomato Soup:
-Tomato x 3
-Bottle of Water