8-9 oz. Pappardelle's Gluten-Free Spicy Tomato Fettuccine
1 lb. shrimp, peeled & deveined
2 Tbsp. butter
1-¼ tsp. kosher salt, divided
2 Tbsp. extra-virgin olive oil
4 cloves garlic, minced
¼ cup white onion, diced
¼ cup white wine
1 (14-oz.) can crushed fire-roasted tomatoes
1 tsp. Calabrian chiles, chopped (or use crushed red pepper flakes)
2 tsp. dried oregano
Parmesan cheese, to taste