Low Sugar Sheet Pan Tuna Steaks with Tomatoes & Green Beans
Bright, bold, and built entirely from whole ingredients, this sheet pan dinner is the kind of weeknight meal that feels like it took way more effort than it actually did. Every component — the spice-rubbed tuna, the blistered cherry tomatoes, the charred green beans — brings its own natural flavor to the pan without a drop of added sweetener anywhere in sight. That matters more than you might think, because sauces and spice blends are common places for hidden sugars to sneak in, and here the heat comes purely from cumin, smoked paprika, and turmeric. The finishing touch is a zippy cilantro-lime dressing made with fresh lime juice, garlic, olive oil, and herbs — nothing processed, nothing sweetened, just clean brightness that ties the whole dish together. Everything roasts on a single pan, which means minimal cleanup and maximum flavor payoff. Serve it straight from the pan with an extra squeeze of lime and you've got a genuinely satisfying dinner that doesn't compromise on taste just because it skips the sugar.
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Learn more →Ingredients
4 servings
- 1 lb green beans, trimmed
- 2 cups cherry tomatoes
- 3 tbsp extra-virgin olive oil, divided
- ¾ tsp fine sea salt, divided
- ½ tsp black pepper, divided
- ½ tsp ground cumin
- ½ tsp smoked paprika
- ¼ tsp ground turmeric
- 4 tuna steaks (6 oz each, about 1 inch thick)
For the cilantro-lime dressing
- 2 tbsp fresh lime juice (from about 2 limes)
- 1 tbsp extra-virgin olive oil
- 1 small garlic clove, finely grated
- ¼ tsp fine sea salt
- ¼ cup fresh cilantro, roughly chopped
For serving
- lime wedges, for serving (optional)
Instructions
- 1
Position a rack in the upper third of the oven and preheat to 425°F (220°C). Line an 18×13-inch sheet pan with parchment paper or foil.
- 2
Spread the green beans and cherry tomatoes on the prepared sheet pan. Drizzle with 2 tbsp of the olive oil, sprinkle with 1/2 tsp of the salt and 1/4 tsp of the pepper, and toss to coat. Spread into an even layer, leaving a clear space in the center for the tuna.
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