Lentil meatballs w pasta

Name: Lentil meatballs w pasta
Cuisine: European, Italian, Mediterranean
Ingredients: 1 cup dried brown lentils (190 g); 8 oz baby bella or cremini mushrooms, diced small (125 g); ¼ cup oat flour (30 g); 2 tbsp ground flax (14 g); 2 tbs tomato paste; ¼ cup fresh parsley, finely chopped (10 g); 3 cloves garlic, peeled and minced (15 g); 2 tbsp dried oregano; 28 oz marinara; 12 oz whole wheat pasta