[header] How to make vegan banana muffins [title] Begin to preheat your oven to 350f (180c, gas mark 4) as you grease 12 3-inch (75 mm) muffin tins. [substeps] Don't worry about this measure being exact; it can be to the nearest whole banana. Bananas for banana bread can be riper than the bananas that you would normally eat. 
Cut out any bad spots if you see them. [title] Peel and mash the bananas to produce about 1 1/2 cups of mashed banana, about three large bananas.