In a small bowl, mix the soy sauce, garlic powder, and black pepper. Rub the mixture over the pork tenderloin and let marinate for at least 30 minutes.

Sear the Pork

Heat olive oil in a large skillet over medium-high heat. Sear the marinated pork tenderloin on all sides until browned, about 8-10 minutes. Remove from skillet and set aside.

Cook Vegetables

Sauté Vegetables

In the same skillet, add sliced onions, bell peppers, and mushrooms. Sauté until tender, about 5-7 minutes.

Make Gravy

Dissolve the brown gravy mix in water according to package instructions. Pour the gravy over the sautéed vegetables.

Finish the Dish

Combine and Simmer

Return the seared pork tenderloin to the skillet, cover, and simmer on low heat for 20 minutes until fully cooked.

Prepare Cornbread

Mix Dry Ingredients

In a bowl, mix cornmeal, flour, baking powder, sugar, and salt.

Combine Wet Ingredients

In another bowl, whisk together milk, egg, and melted butter.

Bake Cornbread

Pour wet ingredients into dry ingredients, mix until just combined, then pour into a greased baking dish. Bake at 400°F (200°C) for 20-25 minutes.

Prepare Cream Corn Succotash

Cook Succotash

In a saucepan, melt butter over medium heat. Add creamed corn, frozen corn, diced bell pepper, and green beans. Cook until heated through, about 5-7 minutes.