Brazilian Stroganoff Recipe Ingredients: - 3 pounds chopped beef tenderloin - 4 tablespoons butter - 3 tablespoons olive oil - 1 large onion, chopped - 2 1/2 cups chopped portobello mushrooms - Salt and pepper to taste - 2 cups cherry tomatoes, halved - 4 tablespoons ketchup - 3 tablespoons mustard - Cilantro, to taste - 1/2 cup heavy cream Instructions: 1. Season the Beef: In a bowl, season the chopped beef tenderloin with salt and pepper. Set aside. 2. Sear the Beef: In a large pot, heat 2 tablespoons of butter and 2 tablespoons of olive oil over medium-high heat. Once hot, add the seasoned beef and sear for approximately 4 minutes, or until browned. Remove the beef from the pot and set aside. 3. Sauté the Vegetables: In the same pot, add the remaining 2 tablespoons of butter and 1 tablespoon of olive oil. Add the chopped onion and sauté until golden brown, about 4 minutes. 4. Add Mushrooms and Tomatoes: Stir in the chopped portobello mushrooms and sauté for an additional 2 mi...