Shrimp Victoria - I Ate The 80's

Ingredients

• 1 lb raw shrimp, peeled and deveined
• 1 cup sour cream
• ½ cup finely chopped onion
• ¼ cup butter
• 1 can (6 oz) mushrooms
• 1 tbsp flour
• ¼ tsp salt
• Dash cayenne pepper
• 1 ½ cups cooked rice