Easy Italian White Bean Stew

• 2 tbspextra virgin olive oil
• 4 ozbacon — diced, or ham
• 1½ cupsdiced yellow onion — 1
• 1 cupdiced celery — 2
• 3large cloves of garlic — minced
• ½ tspcrushed red pepper flakes
• 3–4 tbspwhite wine
• 30 ozgreat northern beans — no salt added, drained, rinsed, 2 cans
• 4 cupsvegetable broth — or chicken broth
• 1Parmesan cheese rind
• 1 tspdried rosemary
• ½ tspdried oregano
• 1bay leaf
• ½lemon — zest
• 1 tspkosher salt
• ½ tspfreshly ground black pepper
• 3 cupsbaby spinach
• 2 tbsplemon — 1

Optional, for serving:

• —grated Parmesan cheese
• —flat leaf parsley — chopped