Heat large soup pot or skillet over medium high heat and brown sausage, using a wooden spoon to break it up. Add onion and fennel, saute for about 4 more minutes until onion is soft. Add wine to pan and delglaze, using wooden spoon,.
Add marinara and chicken broth, bring to low simmer and cook for 5 minutes, stirring occasionally. Add pasta and cook to desired consistency. Stir in beans, add salt and pepper to flavor.
Just before serving, stir in baby spinach until wilted and then ladle into serving bowls and serve immediately.
Save some fat calories and use a turkey Italian sauasge. We love the turkey Italian sausage from Aldi!