A normal peridot from the Meadows is required, a Garnet from your home village, along with an aquamarine from the Dazzling Beach.

For something underground, on the left you place a carrot seed. For something gold and brown, in the center you place a wheat seed. For red and round, on the right you place the tomato seed.
All three must fully grow and be watered until you are allowed to move to Gate 3: Cooking

The final gate requires you to cook the ingredients you gathered. The order does not seem to matter!

Fish it up from the golden circle in the pool!