Optional: red pepper flakes and spritz of lemon juice
In a bowl, mash together avocado, salt, cumin, red pepper flakes, juice, and zest. Spread half the avocado mixture on each piece of toast. Top each with half the smoked trout. Garnish with a pinch of red pepper flakes and/or a spritz of lemon juice.
Substitution Tip: Any smoked fish makes a nice addition to this avocado toast recipe. There are many varieties available, such as sardines, salmon, or whitefish. Not a fan of smoked fish? A sliced hard boiled egg is a great substitute as well.