Split butternut squash vertically and remove seeds.
Preheat oven to 400° F. Brush butternut squash halves with olive oil and place flesh side down on a foil-lined baking sheet. Roast until tender, about 45 minutes.
Set aside to let cool slightly, then mash in a bowl with cumin, chili powder, maple syrup, lime zest and salt.
Toss black beans with the juice of half a lime, chilli powder, a drizzle of olive oil, and a pinch of salt.
Whisk yogurt with other half of lime juice and a pinch of salt. Add a little water if needed, until it’s a consistency that can be drizzled.
Slice the avocado and squeeze little lime oil and sprinkle with a pinch of salt.
Brush your pita breads with a little avocado oil and toast them in a frying pan or grill.
Spread butternut squash mixture onto pitas and top with black beans and avocado slices, jalapeño slices. Drizzle with yogurt mixture and garnish with cilantro and pumpkin seeds.