Trout Almondine
Pan-fried trout fillets in nutty brown butter with toasted sliced almonds, lemon, and parsley.
Updated: Nov 9, 2026
Why you'll like it
- Ready in about 30 min.
- Serves 4 — easy to halve or double.
- Medium level — everyday equipment only.
- Storage, freezing and reheating covered below.
Trout Almondine takes about 30 minutes and makes 4 servings. This classic French preparation, often called truite amandine, relies on two techniques rather than long ingredient lists: a light flour dusting that browns into a thin crust, and butter cooked until the milk solids turn golden and smell nutty.
Helpful guides
Instructions
Pat the trout fillets dry and season both sides with the salt and pepper, then dredge them in the flour and shake off the excess. A thin, even dusting browns into a delicate crust, while thick patches of flour stay pasty in the butter.
Heat the olive oil in a large skillet over medium-high heat until it shimmers. The oil raises the smoke point of the butter that follows and helps the skin crisp without burning.
Lay the fillets in the pan flesh side down first and cook for 2 to 3 minutes until golden, then turn carefully with a thin spatula. Trout is delicate, so turn once only and support the fillet as you flip it.
Cook the second side for 2 to 3 minutes, then transfer the fillets to a warm plate. Check that the thickest part reaches 145 degrees F; thin fillets finish fast, and carryover heat continues cooking them off the pan.
Lower the heat to medium, add the butter, and swirl until it foams and turns light golden brown, about 1 to 2 minutes. Add the almonds and stir constantly until they are toasted and fragrant, roughly 2 minutes, since almonds scorch quickly once the butter browns.
Stir in the lemon juice and parsley, then spoon the almond butter over the fillets and serve with lemon wedges. Acid stops the butter from darkening further and adds the brightness that balances the rich sauce.
Troubleshooting — fixes, not repeats
- If the butter turns dark or bitter, the pan was too hot; start the butter over medium heat and pull the pan off the burner as soon as it smells nutty.
- If the crust sticks, the fillets were moved too early or the pan was not hot enough; wait until the fish releases on its own before turning.
- If the almonds burn, add them after the butter has browned and keep them moving; sliced almonds can go from pale to bitter in under a minute.
- If the fillets cook unevenly, choose pieces of similar thickness or fold the thin tail ends under so each piece has an even height.
Make it your way
- Use pecans, hazelnuts, or pepitas in place of the almonds, toasting them the same way for a similar crunch.
- For a brown butter version with more sauce, add 2 tbsp dry white wine with the lemon juice and simmer for 30 seconds to reduce.
- Substitute rainbow trout with the skin removed, or use thin catfish or tilapia fillets and shorten the cooking time.
Storage & reheating
Cool leftovers within 2 hours, then refrigerate in a covered container and use within 3 to 4 days. Reheat only the portion you will eat until steaming hot throughout — poultry and reheated rice should reach 165°F (74°C).
Reheat in a covered skillet over low heat with 1 tbsp water until steaming and 165 degrees F, because high heat dries the thin fillets and scorches the almonds.
The almonds soften in the refrigerator, so re-crisp a fresh handful in a dry pan and scatter it over the top when reheating.
FAQ
What does almondine mean?
Almondine, or amandine, describes a dish garnished with almonds, usually toasted in butter and often finished with lemon and parsley. In this trout version the almonds toast directly in the browned butter so they absorb its nutty flavor.
Why did my brown butter turn bitter?
Butter scorches when the pan is too hot or when the milk solids are left too long after they turn golden. Cook it over medium heat, swirl constantly, and pull the pan off the heat as soon as it smells nutty and the solids look deep gold rather than dark brown.
What should I serve with trout almondine?
Steamed green beans, roasted potatoes, rice pilaf, or crusty bread all work well because they soak up the almond butter sauce. A simple green salad with a lemon vinaigrette keeps the plate light.