Heat-Free Lentil and Walnut Tacos

Name: Heat-Free Lentil and Walnut Tacos
Prep time: 10 min
Cook time: 20 min
Total time: 30 min
Cuisine: American, Mexican
Ingredients: 1 1/2 cups raw walnuts; 1/2 teaspoon sea salt (or to taste); 10 sun-dried tomatoes (soaked in warm water for 10 minutes and drained); 1/2 teaspoon chili powder; 1/4 teaspoon ground cumin; 1/4 teaspoon ground coriander; 1 cup cooked brown or green lentils; 8 large romaine leaves (cabbage, radicchio, and butter lettuce leaves also work well); 1 cup salsa of choice; 1 avocado (pitted and sliced)