In a large bowl, combine lemon juice, oil, balsamic, garlic, smoked paprika, oregano, salt and pepper. Stir with a whisk. Add salmon fillets and marinate for 30 minutes, turning occasionally.
In the meantime, in a small saucepan, combine bulgur and broth. Bring to a boil; cover and simmer for 12-15 minutes, or until tender. Drain off excess liquid.
Heat 2 tsp olive oil in a large non-stick skillet over medium heat. Add zucchini and bell pepper; cook 5-6 minutes, or until tender. Add garlic and a dash of salt and pepper; cook 1 more minute. Stir in parsley and feta; remove from heat.
While the vegetables cook, heat a grill-pan over medium-high heat. Add salmon, skin down; cook 4-5 minutes and top with residual marinade from the bowl. Flip; cook 2-3 more minutes, or until medium-rare.
To serve, spoon bulgur mixture into a bowl or plate. Top with 1 salmon fillet and optional add-ins (arugula, fresh parsley, lemon, etc.)