Easy Italian White Bean Soup

• 2 tbsp extra virgin olive oil
• 4 ounces bacon or ham, diced small about 4 strips of bacon
• 1.5 cups yellow onion, diced about 1/2 medium onion
• 1 cup celery, diced about 2 stalks
• 3 large cloves of garlic, minced
• 1/2 tsp crushed chili flakes
• a splash of white wine (if you have some open, you can omit) about 3-4 tbsp is a splash to me...
• 2 [15-ounce] cans great northern beans, drained and rinsed (no salt added) cannellini beans + white kidney beans work here as a sub
• 1 [32-ounce] carton of vegetable broth or chicken broth
• 1 parmesan cheese rind
• 1 tsp dried rosemary you can sub 1 fresh sprig of rosemary if you have it!
• 1/2 tsp dried oregano
• 1 bay leaf
• zest of 1/2 lemon
• 1 tsp kosher salt, or more to taste
• 1/2 tsp freshly cracked black pepper, or more to taste
• 3 cups baby spinach you can omit this if you don't have it.
• juice of 1 lemon about 2 tablespoons

Optional, for serving:

• grated parmesan cheese
• flat leaf parsley, chopped