How do I win the drink mixing contest?

Hint 1 of 18:

You will need to find a quick way to make a lot of drinks.

Hint 2 of 18:

Or at least one very large drink.

Hint 3 of 18:

The fastest way to do so is through magic.

Hint 4 of 18:

Look through your spell book.

Hint 5 of 18:

You can make a daiquiri with the proper ingredients.

Hint 6 of 18:

How about some kind of fruit?

Hint 7 of 18:

There's a strawberry in the grocery store.

Hint 8 of 18:

FOY STRAWBERRY to make a strawberry daiquiri.

Hint 9 of 18:

But the strawberry isn't large enough to make a good drink, at least for now.

Hint 10 of 18:

You'll have to make the berry larger.

Hint 11 of 18:

The spell you need isn't quite in your spell book, but a similar spell is.

Hint 12 of 18:

Did you find a spell on the mansion grounds?

Hint 13 of 18:

The SPUNJ spell will enlarge a tree root.