Chickpea & Mushroom Burger (vegan, gluten-free)

chickpeas (about 1 tin drained weight)

level tablespoons gram flour (chickpea flour)

small red onion

large cloves garlic

tasty mushrooms (small handful)

tahini

Half teaspoon sea salt

Half medium sized apple

dried parsley

fresh rosemary (finely chopped)

medium sized tomato