Dissolve the bouillon cube in the water. Add to a saucepan and bring to a boil on the stovetop.
1 bouillon cube, 2 cups water
Add the couscous to the water, simmer for 10 minutes with the lid on. Take off of the heat, stir and let sit for 5 minutes. All of the liquid will be absorbed and there shouldn't be a need to drain it.
1 cup pearl couscous
Meanwhile, make up the lemon dressing by whisking together the lemon juice and zest, oil, salt, black pepper, oregano and honey.
1 lemon, 2 tablespoons extra virgin olive oil, ¼ teaspoon salt, pinch black pepper, 1 teaspoon dried oregano, ½ teaspoon honey
Finely slice the onion and cube the cucumber and feta.
¼ small red onion, ½ English cucumber, ⅔ cup feta cheese
Add everything to a large bowl and toss to combine.