Cheesy Kale and Apple Sausage Strata | Dakota Layers

Ingredients

• 6 cups day old country style or sourdough bread, sliced into 1” cubes
• 4 links chicken apple sausage - chopped into 1/2" thick slices
• 1 med onion - thinly sliced
• 5 cups kale - roughly chopped or torn
• 1 tbsp olive oil
• 8 large Dakota Layers eggs
• 2 cups whole milk
• 3/4 tsp. fine sea salt
• 1/2 tsp. ground pepper
• 1 1/2 cups sharp cheddar cheese - grated
• 2 tbsp dijon mustard
• 1 tbsp butter - softened
• 2 tbsp green onions - chopped