Sausage and Lentil Soup with Kale Sprouts

brown lentils

olive oil

package kale sprouts or 1 (10-ounce) package baby kale or shredded kale

spicy Italian sausage links, casings removed, cut into 1-inch pieces

large onion, chopped

large carrots, chopped

stalks celery, chopped

garlic, chopped

beef broth (or as needed)

petite diced tomatoes

dried basil

dried oregano

salt and freshly ground black pepper,

crushed red pepper flakes,

chopped fresh parsley