Heat olive oil in a large skillet over medium-high heat.
Crumble the tempeh into the pan and sauté for 8-10 minutes until golden brown and firm.
Add the onion, carrot, and celery; cook for 6 minutes until softened.
Stir in the minced garlic and cook for 60 seconds.
Add the tomato paste and stir constantly for 2 minutes to develop flavor.
Deglaze the pan with soy sauce and vegetable broth, scraping the bottom to release browned bits.
Stir in the crushed tomatoes, oregano, basil, and smoked paprika.
Reduce heat to low and simmer uncovered for 20-25 minutes until the sauce has thickened.
Incorporate nutritional yeast and season with salt and pepper to taste.