Vegan breakfast somehow less calories but costs same; avocado erasure real

A menu listing three breakfast options (English, Veggie, and Vegan) with detailed ingredient lists and calorie counts. Each meal is priced at £7 with a promotional 2for£15 offer. The image shows standard pub/cafe menu formatting with a yellow promotional banner.
Extracted text:
Full English Breakfast £7 2for£15
Two sausages, two bacon, fried egg, sliced mushrooms, hash brown, Heinz Baked Beanz, toast and butter 926kcal
Full Veggie Breakfast £7 V 2for£15
Two veggie sausages, smashed avocado, fried egg, sliced mushrooms, chopped tomatoes, hash brown, Heinz Baked Beanz, toast and butter 918kcal
Full Vegan Breakfast £7 VR 2for£15
Two veggie sausages, smashed avocado, sliced mushrooms, chopped tomatoes, hash brown, Heinz Baked Beanz, toast and vegan spread 770kcal