Creamy Cajun Shrimp Pasta

Ingredients

• 10 1/2 ounces linguine
• 14 ounces shrimp (peeled and deveined)
• 2 tbsp cajun seasoning (divided)
• 1 tsp each: salt (black pepper, garlic powder)
• 1 tsp black pepper
• 1 tsp garlic powder
• 2 tbsp olive oil (divided)
• 1 tbsp butter
• 1 bell pepper (diced)
• 1 small brown onion (finely chopped)
• 4 garlic cloves (minced)
• 1 cup cream (20% fat)
• 2 ounces baby spinach
• 2 tbsp lemon juice
• 1 ounce Parmesan (grated)
• red peper flakes (for serving)
• freshly ground black pepper (for serving)