1: Heat oil and butter in a pan.
2: Add chopped onion and mushrooms, and sauté until soft.
3: Add beans, sweet corns, carrot, and broccoli, and cook until tender.
4: Season with salt, chilli flakes, black pepper, and pizza seasoning.
5: In a separate pan, melt butter for the white sauce.
6: Add milk while stirring continuously until it thickens.
7: Season with salt, chilli flakes, and oregano.
8: Stir in the processed cheese until melted.
9: Combine the cooked veggies with the white sauce and serve.
