Heat a skillet up to medium heat and add 1 tbsp of butter and 1 tbsp of oil.
Add the shrimp to the skillet in a single layer and cook for 2 minutes. Flip the shrimp, and cook for 2 more minutes. Remove the shrimp from the pan and set aside.
To the same pan, add 1 tbsp of butter and 1 tbsp of oil. Add chopped onion to the pan and saute for 3-4 minutes or until the onion is softened.
Add another 2 tbsp of butter to the pan and add broccoli florets, mushrooms, and cubed bell pepper. Cook for 5 minutes or until the vegetables are softened.
Add garlic and ginger to the pan and cook for a few minutes.
In a bowl, mix together all of the sauce ingredients. Add the sauce to the pan of vegetables and bring the sauce to a light simmer.
Cook the sauce on medium heat until it thickens.
Add the shrimp back to the pan and heat through.
Serve over white rice, and enjoy!