Salmon Pappardelle with Spinach and Watercress Pesto

Ingredients

• 2 cloves large garlic peeled
• 2 1/2 cups spinach leaves
• 2 1/2 cups watercress leaves
• 6 leaves small-medium sized basil
• 1/2 cup grated Parmesan
• 1 1/4 cups olive oil
• 3/4- pound salmon filet
• 1 tablespoon olive oil
• 1 teaspoon fresh chopped thyme
• Salt
• cracked black pepper
• 8 oz dry pappardelle pasta
• 1 cup heavy cream
• 3/4 cup whole milk
• 1 tablespoon unsalted butter
• 1/4 teaspoon garlic powder