Prepare all ingredients as listed.
Brew and prepare the coffee to your liking.
Combine tomato, red onion, jalapeño if using, cilantro, lime juice, olive oil, and a pinch of salt in a bowl. Mix well and set aside.
Toast bread slices until golden and crisp.
Melt butter in a nonstick skillet over medium heat. Crack in eggs, season with salt and black pepper, and cook to desired doneness.
Spread mashed avocado evenly over the toasted bread and season lightly with salt. Spoon pico generously over the avocado.
Combine mandarin segments and pomegranate arils in a bowl and sprinkle with chia seeds.
Serve the avocado toast with eggs, fruit, and coffee.