The Garlic Oven comes with The Granny Situation quest. You will need to place it and build it. After you have build it you will be able to cook 3 dishes to earn mastery stars, and then you will be able to unlock intermediate to unlock 3 more dishes to earn mastery stars.
|Italian Garlic Knots||?|
|Roasted Garlic Bulbs & Broccoli||Garlic Baked Potatoes||?|
|Garlic Minicotti||Garlic Beef Crostini||?|