Parmesan baked zucchini and tomatoes - 9Kitchen

Ingredients

• 1 tablespoon olive oil
• 20g butter
• 2 brown onions, thinly sliced
• salt and pepper, to taste
• 4 zucchinis, cut into 1cm thick slices on an angle
• 6 roma tomatoes, thickly sliced lengthways (1cm thick)
• 2 tablespoons fresh oregano leaves
• ½ cup grated parmesan