Mustard Free Mediterranean Tuna Steaks with Tomatoes, Olives & Green Beans

Bold, briny, and built entirely on clean pantry staples, this sheet pan dinner is a Mediterranean dream that comes together with almost no fuss. Tuna steaks get rubbed in a fragrant paste of oregano, smoked paprika, cumin, garlic, and lemon zest before roasting alongside blistered cherry tomatoes, tender green beans, and salty Kalamata olives — no condiments or hidden sauces required. That matters more than it sounds, because mustard has a sneaky way of showing up in marinades, spice blends, and store-bought rubs, making it genuinely tricky to find a flavored protein dish that's safe off the shelf. Here, every ingredient is straightforward and easy to verify, so you can cook with total confidence. The lemon squeezed over everything at the end ties the whole pan together with a bright, citrusy finish that makes the dish taste far more complex than the effort involved. Scatter the fresh parsley on top and bring the whole pan straight to the table — cleanup is minimal and the presentation is effortlessly impressive.

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