Ingredients
- tablespoon vegetable oil
- onion, slice d
- cup mayonnaise
- eggs
- tablespoon sall-purpose flour
- salt and ground black pepper to taste
- (16 ounce) bagsfrozen chopped broccoli, thawed
Instructions
- Preheat the oven to 375 degrees F (190 degrees C). Grease an 8x8 inch baking dish.
- Heat vegetable oil in a skillet over medium heat. Add onion; cook and stir until softened and translucent, about 5 minutes.
- Reduce heat to medium low; continue cooking and stirring onion until very tender and dark brown, 15 to 20 minutes more. Set aside.
- Beat mayonnaise, eggs, flour, salt, and pepper together in a large bowl. Stir in broccoli and onion. Pour into the prepared baking dish.
- Bake in the preheated oven until broccoli is tender, about 90 minutes.