Pre-heat overn to 350 degrees F.
Place pot over medium heat, add oil, onion and saute until translucent. Add garlic, carrots, and celery and saute ~5 minutes.
Add tomato paste, turmeric, cumin, cinnamon, red pepper, and salt and cook ~1 minute, stirring and blooming spices.
Add lentils and 4 cups of stock, deglazing pan. Bring to a boil then cover and lower to a simmer. Cook ~15 minutes then check back and add more stock as necessary. Cook until lentils are tender, ~30 minutes, and use up to 8 cups stock as needed.
Transfer lentils to a 9x13-inch casserole dish. Spread the Sabra Roasted Garlic Hummus on top of the lentils. Bake until golden brown on top, ~30-40 minutes.