Scalloped Potatoes with Broccoli - Lisa G Cooks

Ingredients

• 2 cups milk ((I used 1%))
• 2 tbsp whole wheat flour
• 1 tsp dijon mustard
• 1/2 tsp salt (, plus more)
• 1/4 tsp pepper (, plus more)
• 6 Sprigs fresh thyme
• 3 Cloves garlic (, crushed)
• 6 medium potatoes (, skin on, cleaned and sliced thinly (1/8 inch))
• 1 Small onion, (, very thinly sliced)
• 1 Head broccoli (, (small) florets only)
• 1/2 cup extra old cheddar (, grated)