Heat broth in a large (or medium deep) pan on medium heat. Once gently simmering, add diced carrots and lemon juice and cook for 10 minutes. Add pinto beans and egg and stir to combine. Continue to ...
Cool the soup and refrigerate until ready to finish (up to 2 days). When you’re ready to serve, bring the broth back to a boil, add the noodles and follow the recipe directions from there.