Generate a vertical step-by-step infographic with realistic images explaining how to make avocado toast. Step 1: A top-down photo of ingredients laid out (bread, avocado, lemon, salt, pepper, olive oil). Step 2: Sliced bread going into a toaster. Step 3: A hand mashing avocado in a bowl with a fork. Step 4: Spreading avocado on golden toast. Include short text labels under each step in clean sans-serif font, modern pastel color palette, light grid background.