Cut all ingredients into bite-sized pieces.
Heat cooking oil in a pan and sauté garlic and green onion to release their aroma.
Add the prepared meat and seafood, then stir-fry.
Add the vegetables and mushrooms, and stir-fry together.
Add Mala Xiang Guo sauce, oat milk, and heavy cream, and mix evenly.
Simmer until the sauce thickens, then finish.