Blanch green beans in a large stock pot of well salted boiling water and cook until bright green in color and tender crisp, roughly 2-3 minutes.
Drain and shock in a bowl of ice water to stop cooking.
Heat a sauté pan over medium heat. Add the olive oil.
Add the shallots and sauté for 2-3 minute.
Add green beans and continue to sauté until coated in oil and heated through, about 5 minutes.
Add lemon zest and season with salt and pepper, top with sliced toasted almonds.
Serve warm.