01 - Preheat the oven to 390°F. Line a baking tray with parchment paper or lightly grease it.
02 - Rinse trout under cold water and pat dry thoroughly. Season the interior and exterior with salt and pepper.
03 - Insert lemon slices, chopped parsley, and dill into the cavity of each trout.
04 - Place the stuffed trout onto the prepared baking tray and drizzle evenly with olive oil.
05 - Bake in the preheated oven for 18 to 20 minutes, until the flesh becomes opaque and flakes easily with a fork.
06 - While fish bakes, melt butter in a small skillet over medium heat. Add sliced almonds and cook, stirring, until golden brown, about 3 to 4 minutes.
07 - Remove skillet from heat. Stir in lemon juice and chopped parsley to the almond butter mixture.
08 - Transfer baked trout to plates and spoon warm almond butter sauce over each serving.