To roast 2 cups of sweet potatoes, follow these simple steps:

1. Preheat the oven to 400°F (200°C).
2. Peel and cube the sweet potatoes into roughly 1/2-inch pieces.
3. Toss the sweet potatoes in a bowl with 1 tablespoon of olive oil, and season with salt and pepper to taste.
4. Spread the cubes evenly on a baking sheet lined with parchment paper, making sure they are in a single layer for even roasting.
5. Roast for 25-30 minutes, tossing halfway through, until the sweet potatoes are golden brown and tender when pierced with a fork.
6. Remove from the oven and let cool slightly before using in your salad or recipe.

To cook 2 cups of quinoa, follow these steps:

1. Rinse 1 cup of quinoa under cold water in a fine mesh strainer to remove any bitterness from the natural coating (saponin).
2. In a medium saucepan, combine the rinsed quinoa with 2 cups of water (or vegetable broth for added flavor).
3. Bring the mixture to a boil over medium-high heat.
4. Once boiling, reduce the heat to low, cover the saucepan with a lid, and let the quinoa simmer for about 15 minutes, or until all the liquid is absorbed.
5. Remove from heat and let it sit, covered, for 5 minutes to steam.
6. Fluff the quinoa with a fork, and it’s ready to use.

This will yield approximately 2 cups of cooked quinoa, perfect for your salad!