In a skillet over medium heat, cook the lean ground beef until browned. Drain excess fat if necessary.
Sauté Vegetables:
In the same skillet, add olive oil and sauté the chopped onion, minced garlic, and sliced mushrooms until they are tender.
Season and Deglaze:
Season the mixture with dried thyme, salt, and black pepper. Pour in the reduced-sodium beef broth to deglaze the pan, scraping up any flavorful bits from the bottom.
Add Fat-Free Evaporated Milk:
Stir in the fat-free evaporated milk and let the mixture simmer for a few minutes until it thickens slightly.
Combine with Ground Beef:
Add the cooked lean ground beef back into the skillet, mixing it with the mushroom and milk mixture.
Transfer to Baking Dish:
Transfer the combined mixture to a baking dish.
Top with Cheese:
Sprinkle reduced-fat shredded mozzarella cheese over the top.
Bake in the Oven:
Bake in the preheated oven for about 20-25 minutes or until the cheese is melted and bubbly.
Garnish and Serve:
Remove from the oven and garnish with chopped fresh parsley if desired.
Estimated Nutrition Information and Smart Points (Per Serving):
Calories: Approximately 350-400 calories per serving.
Protein: Around 25-30 grams per serving.
Smart Points: Approximately 8-10 Smart Points per serving.