Super-Delicious Zuppa Toscana

Ingredients

• pound bulk mild Italian sausage
• teaspoons crushed red pepper flakes
• slices bacon, cut into 1/2 inch pieces
• large onion, diced
• tablespoon minced garlic
• cans chicken broth
• medium potatoes, thinly sliced
• heavy cream
• bunch fresh spinach, tough stems removed