Prepare the Ingredients:

• Finely chop the onion.
• Mince the garlic.
• Cut the meat of your choice into thin strips or cubes.
• If using fresh tomatoes, dice them.

Cook the Onion and Garlic:

• Heat the olive oil in a large skillet over medium heat.
• Add the chopped onion and garlic. Sauté until they become translucent, about 3-5 minutes.

Brown the Meat:

• Add the beef or chicken strips or cubes to the skillet.
• Season with salt and pepper to taste.
• Cook until the meat is browned on all sides.

Add the Sauces:

• Stir in the ketchup and mustard, mixing well to coat the meat.
• Add the diced tomatoes and let the mixture simmer for a few minutes, allowing the flavors to meld.

Incorporate the Cream:

• Pour in the heavy cream and stir to combine.
• Let the sauce simmer until it thickens slightly, about 5-10 minutes.

Add Optional Ingredients:

• If using, add the sliced mushrooms, corn, and peas.
• Cook until they are heated through, about 5 minutes.

Finish and Serve:

• Taste and adjust the seasoning if needed.
• Serve the stroganoff over white rice.
• Garnish with chopped parsley and a side of potato sticks for a crunchy touch.

Enjoy your Brazilian stroganoff!