Creamy Chicken and Tomato Stir-Fry with Rice - Mr. Cook

Ingredients

• 1 lb boneless, skinless chicken breasts, cut into 1-inch cubes
• 1 tablespoon soy sauce
• 1 teaspoon cornstarch
• 2 tablespoons unsalted butter (smietana maslo)
• 1 small yellow onion, thinly sliced
• 2 cloves garlic, minced
• 1 cup cherry or grape tomatoes, halved
• ½ cup chicken broth
• ½ cup sour cream (smietana)
• ¼ cup grated Parmesan cheese (ser)
• ½ teaspoon dried oregano
• Salt and freshly ground black pepper to taste
• 3 cups cooked white rice
• Fresh parsley, chopped (for garnish)