Holiday Sausage and Sweet Potato Breakfast Casserole

By Ms Chef Esh

4.0 / 5

20min

1h 20min

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1 pound sweet potatoes peeled and cut into 1/2-inch cubes
3 tablespoons extra-virgin olive oil divided
2 teaspoons kosher salt divided
1 teaspoon garlic powder
1 teaspoon freshly ground black pepper divided
½ cup diced onion
½ cup diced red bell pepper
4 cloves garlic minced
1 pound bulk regular pork sausage (such as Jimmy Dean®)
1 cup baby spinach leaves
½ cup shredded mozzarella cheese
1 tablespoon minced fresh rosemary
10 large eggs
2 tablespoons milk