In a mixing bowl, scoop out the flesh of 2 ripe avocados and mash it with a fork for the classic avocado toast.
Add lemon juice, salt, and pepper to the mashed avocado, and mix until combined.
Toast the whole-grain bread until golden brown.
Spread the mashed avocado evenly over each slice of toast for the classic variation.
For the tomato & basil avocado toast, scoop out the flesh of 1 ripe avocado and mash it.
Spread the mashed avocado over 2 slices of toasted bread.
Top with diced tomatoes and sprinkle fresh basil leaves on top, then drizzle with balsamic glaze if desired.
For the spicy avocado toast, scoop out the flesh of 1 ripe avocado and mash it.
Mix in finely chopped jalapeño, olive oil, lime juice, and salt to taste.
Spread this mixture over 2 slices of toasted bread.
Serve all three variations immediately and enjoy!