Preheat oven to 375, and line a rimmed baking sheet with parchment paper or foil. Mist with cooking spray, spread fish fillets evenly on baking sheet.
In a small bowl, combine the cumin, paprika, salt and pepper. On both sides, season fish fillets with the spice mixture.
In a small bowl, whisk together the melted butter, olive oil, lemon juice, shallots, and garlic, and brush evenly over fish fillets. Top with the capers.
Bake in the oven for about 10-15 minutes, making sure not to overcook. Remove from oven and top with fresh dill.
Notes
The entire recipe makes about 4 servingsThe serving size is about 2 tilapia fillets