Loaded Mashed Potato Casserole - HealthyBeat

Ingredients

• 2 lbs . Yukon gold potatoes cut into 1 inch chunks*
• 1 lb. cauliflower florets
• 3 garlic cloves peeled
• 1 ½ tsp. salt divided
• ½ cup 2% fat milk
• ¼ cup 2% fat plain Greek yogurt
• 2 tbsp. unsalted butter
• ¼ tsp. fresh ground black pepper
• 1 ½ cup shredded leftover chicken or turkey
• ¾ cup shredded 2% reduced fat extra sharp cheddar cheese
• ½ cup chopped green onion