Mushroom Sandwich With Broccoli & Butternut Squash

Ingredients

• ¼ whole butternut squash (sliced 0.5 cm thick, about 8 slices)
• ½ teaspoon salt
• ¼ teaspoon pepper
• 2 teaspoons olive oil
• 10 broccolini stalks (broccoli rabe)
• salt
• 10 medium portobello mushrooms (flat mushrooms)
• ½ teaspoon garlic powder
• ½ teaspoon pepper
• 1 teaspoon smoked paprika
• 1 1/2 tablespoons olive oil (for cooking)
• ½ cup mayonnaise (plant-based or regular)
• 1 teaspoon light miso paste
• 1 garlic clove (minced or grated)
• 6 slices bread (panini, sourdough, or other bread)