Bring a pan to a medium heat and add olive oil and diced onion and sauté for 3 minutes.

Add minced garlic and sauté for another 3 minutes.

For a thicker stroganoff add 1 tablespoon flour, and mix in well.

Add the tomatoes and let them cook down for 3 minutes.

Add the mushrooms and continue to sauté.

Add the marinara sauce and bring to a simmer.

Add your unsweetened milk alternative and stir it in well.

Add green olives and salt, and allow to simmer on a low heat for 5 minutes.

Top off with green onion.