Salmon in Creamy Red Pesto Sauce - Serving Dumplings

Ingredients

• 1 tbsp olive oil
• 1 tbsp unsalted butter
• 1 pound skinless salmon fillets
• 1 onion (finely chopped)
• 4 garlic cloves (minced)
• salt (to taste)
• black pepper (to taste)
• 1 tsp Italian seasoning
• ¾ cup crushed tomatoes
• ¾ cup red pesto
• 7 ounces cream cheese (at room temperature)
• 3 1/2 ounces spinach
• fresh parsley (for serving)
• chili flakes (for serving)