You have to cook 34 Caprese Sandwich to obtain the first star, requiring 102 Bread, 102 Goat Cheese, 170 Tomatoes, 68 Basil and 6 hours and 14 minutes.
For the second star, you have to cook it 103 times, figuring in the + 100% Serving Reward from the first crop star, it requires a cumulative total of 207 Bread, 207 Goat Cheese, 345 Tomatoes, 138 Basil and 12 hours and 39 minutes. That is an additional 105 Bread, 105 Goat Cheese, 175 Tomatoes, 70 Basil on top of the first star, and an additional 6 hours and 25 minutes. Notice the cumulative numbers for the second star reflect cooking 104 Caprese Sandwich since you can have to cook two recipes at time after the first recipe star reward.
The third star takes 206 Caprese Sandwich, figuring in the + 100% Serving Reward from the first crop star, it requires a cumulative total of 360 Bread, 360 Goat Cheese, 600 Tomatoes, 240 Basil and 22 hours. From the perspective of the first star, you need an additional 258 Bread, 258 Goat Cheese, 430 Tomatoes, 172 Basil and 15 hours and 46 minutes. From the perspective of the second star, you need an additional 153 Bread, 153 Goat Cheese, 255 Tomatoes, 102 Basil and 9 hours and 21 minutes.