Salmon with Pesto and Roasted Cauliflower is an easy 5-ingredient full dinner! Yep, all you need is just five ingredients to create the crispiest, most flavorful salmon meal. We pan-sear salmon filets in a screaming hot cast iron skillet, and serve it over a bed of pesto farro studded with nutty roasted cauliflower. This is honestly the BEST five-ingredient meal you'll ever make!