Garlic Shrimp with Quinoa

Bahan-bahan (4 porsi)

• 4 teaspoons extra-virgin olive oil (divided)
• 1 pound raw tail-on shrimp (26–30 count, peeled and deveined)
• 1 teaspoon kosher salt (divided)
• 1/2 teaspoon chili powder (divided)
• 1/3 cup finely chopped yellow onion (about half of 1 small onion)
• 3 cloves garlic (minced (about 1 tablespoon))
• 1 cup uncooked quinoa
• 1/4 teaspoon cayenne pepper
• 2 cups low-sodium chicken broth
• 1 large lemon
• 3 tablespoons fresh parsley (plus additional for serving)