Super-Delicious Zuppa Toscana

INGREDIENTS

• 1 pound bulk mild Italian sausage
• 1 1/4 teaspoons crushed red pepper flakes
• 4 slices bacon, cut into 1/2 inch pieces
• 1 large onion, diced
• 1 tablespoon minced garlic
• 5 (13.75 ounce) cans chicken broth
• 6 potato, thinly sliced
• 1 cup heavy cream
• 1/4 bunch fresh spinach, tough stems removed