As I've been told that the darker varieties have a much better aroma, I always strive to find those. (myblueandwhitekitchen.com)
Look for fresh leaves with good aroma and colour, with no wilting or brown patches. (bbcgoodfood.com)
This pasta sauce is thickened with puréed chickpeas, and it's finished with a fresh garlic - and - rosemary oil, which adds great flavor and an even better aroma. (bonappetit.com)