Lentil & Walnut Taco Meat

Name: Lentil & Walnut Taco Meat
Prep time: 30 min
Cook time: 30 min
Total time: 1 h
Cuisine: American, Mexican, Latin American
Ingredients: 3/4 cup unsalted walnuts; 1 cup uncooked green lentils; 1 cup diced yellow onion; 4 garlic cloves, finely minced; 1 tablespoon ground cumin; 1 tablespoon chili powder; 1 teaspoon dried oregano; 1/8 teaspoon cayenne pepper; 1/2 teaspoon liquid smoke; 2 large tomatoes, diced; 2 cups vegetable broth; 1/4 cup finely chopped cilantro; Salt and pepper, to taste; Fresh lime juice, as desired