Cheesy Broccoli Soup - Lisa G Cooks

Ingredients

• 2 Cups sodium-reduced stock ( (I used vegetable stock))
• 2 Cups buttermilk ((I used 2%))
• 1/4 Cup all purpose flour ( (I used whole wheat))
• 1 tsp dijon mustard
• 1/2 tbsp (salted) butter
• 1 Medium onion, (, sliced into sticks)
• 3 Cloves garlic (, crushed)
• 1 Head broccoli (, florets only and stalk cubed (see notes))
• 1/2 tsp salt (, plus more)
• 1/2 tsp pepper (, plus more)
• 1 Cup Grated old cheddar