Directions

1. Preheat oven to 350 degrees and grease a baking dish.
2. Heat oil in large skillet over medium heat; add onions and red peppers and cook, stirring often, until soft, about 5 minutes. Add kale and cook until wilted, about 5 minutes longer. Add garlic, salt, pepper and remove from heat.
3. Place half of bread cubes in even layer in baking dish, then top with half of vegetable mixture and half of cheese. Add remaining bread cubes, then remaining vegetables and cheese.
4. In a large bowl, whisk together your eggs, milk, mustard, salt, and pepper. Pour eggs over mixture in your baking dish. Use the back of a spoon to push everything down and make sure all your bread pieces are wet. Top with remaining cheese. Either refrigerate to soak overnight or cook immediately
5. Bake uncovered for 40 to 50 minutes or until golden brown on top and toothpick inserted in center comes out clean.