Stuffed Salmon

Bahan-bahan (4 porsi)

• 4 teaspoons extra virgin olive oil (divided)
• 5 ounces fresh baby spinach (about 5 cups)
• 1 clove garlic (minced (about 1 teaspoon))
• 3/4 teaspoon kosher salt (divided)
• 1/2 teaspoon ground black pepper (divided)
• Pinch red pepper flakes
• 1/4 cup reduced-fat cream cheese
• 1/4 cup shredded part-skim mozzarella cheese
• 1/4 cup finely grated Parmesan
• 4 6 ounce salmon fillets (skin off or on)