A great lunch sandwich

I got this recipe from Jennifer at Sweet on Veg—she tweeted it and I made it the next afternoon for lunch. It's called the Avocado Dream Sandwich, and it's magnificent. I made a few small changes to suit my tastes, and here's how it looks:

Ingredients:
1 Avocado (that's enough for 2 people)
Chips (I favour Miss Vickie's Sea Salt & Malt Vinegar)
Spinach
2 slices of bread or a ciabatta bun
Extra virgin olive oil
Balsamic vinegar
Mayo
Salt and pepper to taste
(and tomato slices if that's your thing—it's not mine!)

Spread a thin layer of mayo on one piece of bread (or both) so your spinach has something to cling to.

Mash your avocado in a bowl with the olive oil and salt. I like to add some balsamic as well.

Spread your avocado mixture on one side of the bread.

Sprinkle your spinach leaves on the other side.

Drizzle the avocado mixture with balsamic and top with chips.

Et voila!