Smoky Vegetarian Collard Greens

Heat olive oil in a large skillet over medium heat; cook and stir onion and garlic until browned and fragrant 3 to 4 minutes. Add collard greens and red pepper flakes; cook and stir until greens are slightly wilted 2 to 3 minutes.

Combine vegetable broth cider vinegar brown sugar liquid smoke flavoring and paprika in a large pot; add collard greens mixture. Cover pot and simmer until greens are very tender 40 to 50 minutes. Strain collard greens before serving.