Creamy Tomato Chicken

Ingredients

• 4 boneless, skinless chicken breasts
• 1 tablespoon olive oil
• 1 small onion, finely chopped
• 2 cloves garlic, minced
• 1 can (14 ounces) diced tomatoes
• 1 cup heavy cream
• 1 teaspoon dried basil
• 1 teaspoon dried oregano
• 1/2 teaspoon salt
• 1/4 teaspoon black pepper
• Fresh basil leaves, for garnish