Cut 1/2 inch off stems of asparagus, the ends are usually tough and not tasty.
Mince garlic and process into softened butter (not melted butter) add herbs if desired.
Heat cast iron grill, or pan on high. Add a small amount of olive oil and asparagus.
Add garlic butter and salt/pepper.
Cook about 15-20 minutes depending on desired crispness. Remember less cooking is best. Soggy is not as nutritious.
Use tongs to flip. Serve hot and enjoy this meal!