Crawfish con queso

This is posted as a request. I found this in one of my many cookbooks. This one comes from the roping the flavors of Texas cookbook.

• Ready In: 1 hr 20 mins
• Serves: 10-12

Ingredients

• 1  cup butter, divided
• 1  cup  finely chopped onion
• 1  cup  canned chopped green chili (drained)
• 3⁄4 cup  finely chopped bell pepper
• 2  teaspoons salt, divided
• 2  teaspoons white pepper, divided
• 1 1⁄2 teaspoons cayenne pepper, divided
• 3⁄4 teaspoon dried oregano, divided
• 1⁄2 teaspoon  minced garlic
• 3  cups heavy whipping cream
• 1  cup sour cream
• 3  cups  shredded monterey jack cheese
• 3  lbs  peeled crayfish tails
• 2⁄3 cup  very finely chopped green onion

Directions

1. Melt 1/2 cup butter in a large skillet over medium heat.
2. Add onion, green chilies, bell pepper, 1 tsp salt, 1 tsp white pepper 1/2 tsp cayenne, 1/4 tsp oregano and garlic.
3. Saute 10 minutes, stirring often.
4. Stir in cream.
5. Bring mixture to a boil.
6. Reduce heat& simmer for 10 minutes, stirring constantly.
7. Add sour cream, whisking until well blended.
8. Add cheese, stirring until well blended.
9. Set aside.
10. Melt remaining 1/2 cup butter in a 4 quart saucepan over medium heat.
11. Add crawfish, green onion, remaining salt, pepper, cayenne and oregano.
12. Saute for 6 minutes, stirring occasionally.
13. Add cheese sauce stirring until well blended.
14. Simmer for 6 to 10 minutes stirring occasionally.
15. Serve with tortilla chips or your favorite cracker.