Lennie is making popcorn the recipe calls for 1/2 of butter 3 tablespoons of Lemuel’s and 1 teaspoon of salt

To make the popcorn, Lennie would need the following ingredients:

- 1/2 of butter
- 3 tablespoons of Lemuel's
- 1 teaspoon of salt

Note: The recipe does not mention the quantity of popcorn kernels, so it is assumed that he already has the desired amount of popcorn ready to be popped.