Stuffed Chicken Breasts with Asparagus and Parmesan Rice

INGREDIENTS

• 4 skinless, boneless chicken breast halves
• 1 tablespoon extra-virgin olive oil, or more as needed
• 1 cup chopped fresh asparagus
• 1/4 teaspoon garlic powder, or to taste
• salt and ground black pepper to taste
• 4 slices deli ham
• 1/2 cup shredded Cheddar cheese
• 2 tablespoons butter, divided
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• 2 cups chicken broth
• 1 tablespoon butter
• 1 cup uncooked white rice
• 1 (14.5 ounce) can diced tomatoes with onion and celery, drained
• 1/3 cup grated Parmesan cheese, or to taste