Preheat and prep the pan: Place a 10-12 inch cast-iron skillet (or ovenproof nonstick) in the oven and preheat to 425°F (220°C). Put 2 tablespoons of the butter in the cold skillet so it melts as the pan heats. Why: Heating the pan with the butter inside ensures the butter browns slightly and the skillet is smoking-hot when the batter hits it — that initial sizzle helps the Dutch baby puff and form a crisp, caramelized edge.

Make the batter: In a medium bowl whisk together 3 large eggs until frothy to incorporate air, then add the flour, 3/4 cup cold water, 1/2 teaspoon kosher salt and 1/4 teaspoon black pepper. Whisk until smooth and no lumps remain (a few small bubbles are fine). Why: Whisking the eggs first traps air for lift; using cold water (instead of warm milk) still gives a light batter while keeping the flavors clean. A smooth batter ensures an even rise and glossy interior.

Rest the batter briefly: Let the batter rest at room temperature for 5 minutes while you handle the tomatoes. Why: Resting allows the flour to hydrate fully and any remaining tiny lumps to relax, improving texture and helping the pancake puff uniformly.

Roast the tomatoes: While the oven preheats and the batter rests, heat a small sauté pan over medium heat. Add 2 tablespoons butter; once foaming, add the minced garlic and cook 20–30 seconds until aromatic (don’t brown). Add the chopped tomatoes, 1 teaspoon thyme leaves, 1/2 teaspoon sugar, 1/2 teaspoon kosher salt and 1/4 teaspoon black pepper. Cook, stirring occasionally, for 6–8 minutes until the tomatoes soften, release juices, and begin to caramelize at the edges. Taste and adjust seasoning. Why: Gently roasting the tomatoes in butter concentrates their sweetness, softens their texture, and mellows raw acidity — the small amount of sugar helps balance very acidic tomatoes without making the dish sweet.

Finish the skillet and pour batter: Carefully remove the hot skillet from the oven (use oven mitts). The butter you heated in step 1 should be melted and slightly nutty around the edges — tilt the pan so it coats the bottom. Immediately pour the batter into the sizzling pan and return to the oven. Why: The contrast between the screaming-hot butter and cold batter triggers rapid steam formation, which causes the batter to puff dramatically and form the signature cratered edges.

Bake the Dutch baby: Bake at 425°F (220°C) for 14–18 minutes until the edges are deeply golden and puffed and the center is set but still moist (it will deflate slightly when removed). Avoid opening the oven door during the first 12 minutes to keep the oven temperature stable. Why: High heat is essential for lift and color. Waiting to open the oven avoids sudden temperature shifts that can collapse the pancake before it sets.

Make the soft-scrambled eggs: While the Dutch baby bakes, heat a clean 8-inch skillet over low-medium heat. Crack 4 eggs into a bowl, season with 1/2 teaspoon kosher salt and 1/4 teaspoon pepper, and whisk briefly until just combined — don’t overbeat. Add 1 tablespoon butter to the skillet and let it melt and foam. Pour in the eggs and stir gently and constantly with a silicone spatula, pulling the eggs from the edges to the center. Remove from heat when the curds are still glossy and slightly loose — carryover heat will finish them. Why: Cooking eggs slowly and stirring constantly yields small custardy curds and prevents overcooking; finishing just shy of done gives the creamiest texture.

Assemble and finish: When the Dutch baby is out of the oven, scatter the warm roasted tomatoes across the pancake and fold or roll one edge slightly to show the fluffy interior. Top with the soft-scrambled eggs, sprinkle with fresh chopped basil or chives if using, and grate a little black pepper. Serve immediately while the pancake is puffed and the eggs are warm. Why: Serving right away preserves the contrast of textures — crisp edges, soft center, saucy tomatoes and silken eggs — which is the heart of this dish.

Portioning note: This recipe makes a single large Dutch baby suitable for 2 people. Slice it like a pizza and plate each portion with equal amounts of tomatoes and scrambled eggs so each diner gets the full balance of textures and flavors.