Step 1

Preheat oven to 350 degrees F (175 degrees C). Grease a 9x13-inch baking dish with butter.

Step 2

Cook bacon in a skillet on medium heat until golden brown, about 8 minutes. Remove and chop coarsely.

Step 3

Cook sweet potato, broccoli, onion, and garlic in the same skillet until onion is translucent, about 5 minutes. Add spinach; season with salt and pepper and cook until wilted, 3 to 5 minutes.

Step 4

Beat eggs in a bowl until foamy. Add bacon and spinach mixture and stir well. Pour mixture into the baking dish.

Step 5

Bake in the preheated oven until top and sides are golden brown, 35 to 40 minutes.