Vegetarian Breakfast Casserole with Sausage

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  1 lb bulk pork breakfast sausage
  Swap

  Use vegetarian sausage instead.

  Morningstar Farms Breakfast Veggie Sausage LinksMorningStar Farms Original Vegan Sausage Patties, 8 ozImpossible Savory Sausage Plant Based - 14 OZBeyond Meat Beyond Sausage Plant Based Sweet Italian Dinner Sausage Links - 14 OzTofurky Beer Brats Plant-Based Sausage, 14 oz

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  Chef's tip

  Use the same amount. Pick the form that matches the recipe - ground-style if the sausage is crumbled, links if it stays whole. If the package says precooked, add it later in cooking and just heat it through.
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  ½ medium yellow onion, finely diced
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  1 medium red bell pepper, finely diced
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  8 cups day-old white sandwich bread, cut into 1-inch cubes (about 10 slices)
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  2 cups shredded cheddar cheese, divided
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  8 large eggs
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  2 cups whole milk
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  1 tsp dijon mustard
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  ½ tsp garlic powder
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  ½ tsp onion powder
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  ½ tsp smoked paprika
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  ½ tsp salt
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  ¼ tsp black pepper
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For serving

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  2 tbsp fresh chives, thinly sliced (optional)
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