Roasted Vegetable Crumble

Ingredients

• 6 small red onions (quartered)
• 400 g orange sweet potatoes (cut into 3 cm chunks)
• 2 tbsp olive oil
• 1 garlic clove (crushed)
• 2 tsp fresh thyme
• 2 large zucchini (cut into 3 cm slices)
• 100 g baby button mushrooms
• 350 g Roma tomatoes (quartered lengthwise)
• 1/2 cup whole wheat flour
• 1 tbsp butter (cooled and diced)
• 1 tbsp cold water
• 2/3 cup fresh whole-wheat breadcrumbs
• 1/2 cup Parmesan cheese (grated)
• 1/4 cup mixed chopped nuts
• 2 tbsp sunflower seeds
• 2 tbsp pumpkin seeds