My Family's Favorite Bake Creamy Chicken with Cheese

Ingredients

• 4 boneless, skinless chicken breasts (about 1.5 lbs / 680 g)
• 1 teaspoon salt (5 g)
• 1/2 teaspoon black pepper (2 g)
• 1 tablespoon olive oil (15 ml)
• 1 tablespoon unsalted butter (14 g)
• 1 medium onion, diced
• 2 cloves garlic, minced
• 1 cup (240 ml) chicken broth
• 1 cup (240 ml) heavy cream
• 1 teaspoon dried thyme (1 g)
• 1/4 teaspoon paprika (1 g)
• 1 cup (100 g) shredded cheddar cheese
• 1/2 cup (50 g) grated Parmesan cheese
• 2 tablespoons fresh parsley, chopped (optional for garnish)