
Herb Butter Toast Cubes with Tarragon

By Emma
Certified Culinary Professional
Slice the loaf without cutting all the way through. Grid it out. The butter goes between every gap—that’s the whole game right there.
Why You’ll Love This Herb Butter Toast Cubes
Takes 22 minutes total and most of that’s just waiting for the oven. Vegetarian. Works as an appetizer or a side that steals the plate from everything else. Smoked paprika and fresh tarragon do something weird and good together. The lime keeps it from being heavy. Shallot melts into the butter instead of staying raw and sharp. Tastes better the next day. Cold, at room temperature, warmed up—doesn’t matter.
What You Need for Herb Butter Toast Cubes
Softened unsalted butter. Room temperature. Not melted. The texture matters. Fresh tarragon. Dried doesn’t work here. Not the same thing at all. One small shallot, minced fine. Not a lot—just enough to dissolve into the herb butter. Half a lime. The juice, not the zest. Bright acid cuts through the richness. Smoked paprika. A pinch. Adds color and a hint of smoke without tasting like anything specific. A rustic bread loaf, maybe 700 grams. Something with a crust and actual structure. Sandwich bread falls apart. Doesn’t work.
How to Make Herb Butter Toast Cubes
Heat the oven to 200 C first. Mid-level rack. Let it fully preheat—5 minutes minimum. Line a baking sheet with foil.
Blend the softened butter with chopped tarragon, minced shallot, lime juice, and a pinch of smoked paprika in a bowl. Taste it. Salt and pepper now. The butter should taste like something. Not bland.
The bread part is the weird part. Put the loaf on a cutting board. Use a serrated knife—the bread wants to stay intact at the bottom. Slice horizontally, spacing about 3 centimeters apart. You’re not cutting all the way through. Stop maybe an inch from the base. Then rotate the loaf 90 degrees. Slice perpendicular, same spacing. Same depth. You’ve created a grid of cubes that are still attached to the bread block underneath.
Put the whole thing on the foil-lined tray. Use an offset spatula to press herb butter deep into each cut. The butter pools. The cut sides get coated. This is why softened butter matters—cold butter breaks and tears the bread. Spread generously. You’re not being delicate here.
Bake 10 minutes. Watch the edges. When they’re golden brown and the butter’s bubbling up between the cuts, it’s done. The bread cubes still hold together at the base but they’re toasted and the butter’s soaked in.
How to Get Crispy Herb Butter Bread Cubes
The heat does most of the work. 200 C is hot enough to brown the exposed bread without burning the butter. The 10-minute window is tight. At 8 minutes it looks pale. At 12 it’s darker than you probably want.
The depth of your butter spread changes everything. Shallow spread means less flavor and the cubes dry out. Deep butter keeps the bread moist underneath while the edges crisp. Push it into the cuts. Actually push.
Smoked paprika adds visual color too—it browns faster visually than plain butter would. Makes the edges look done sooner. It actually is done at that point, but the paprika helps you see it.
Herb Butter Appetizer Tips and Common Mistakes
Don’t use cold butter straight from the fridge. It’ll tear the bread and won’t blend smoothly with the tarragon and shallot.
The lime juice is acidic. It keeps the herb butter from tasting rich and heavy. Skip it and suddenly the whole thing tastes like too much butter. The lime is doing real work.
Fresh tarragon tastes anise-y and slightly sweet. If you’ve never used it, start with less than you think you need. It’s strong. You can always add more next time.
Some people try this with regular bread loaves. It doesn’t work the same way. You need something with an actual crust and structure that won’t collapse when you cut it halfway through.
The butter bubbles and pools at the base of the loaf while it bakes. That’s not a mistake. That’s where the flavor concentrates. Pull the whole thing out and the cubes come apart easily. The bubbling butter acts like a hinge.

Herb Butter Toast Cubes with Tarragon
- 120 g softened unsalted butter
- 30 ml chopped fresh tarragon
- 1 small shallot finely minced
- 1/2 lime for juice
- 1 pinch smoked paprika
- 1 rustic bread loaf about 700 g
- 1 Set oven rack mid-level; heat oven to 200 C (395 F). Prepare baking sheet with foil.
- 2 In a bowl blend butter, tarragon, shallot, lime juice, smoked paprika. Season lightly with salt and pepper.
- 3 On work surface use serrated knife. Slice loaf without severing base. Spaces about 3 cm. Rotate 90 degrees, cut again in 3 cm slices forming squares.
- 4 Put loaf on prepared tray. Using offset spatula, spread herb butter deeply into each cut.
- 5 Bake 10 minutes until browned edges and bubbling butter. Serve while hot.
- 6 Try alongside creamy baked macaroni or as a savory snack.
Frequently Asked Questions About Herb Butter Toast Cubes
Can you make the herb butter ahead of time? Yeah. Mix it the night before. Keep it covered in the fridge. Let it sit at room temperature for 10 minutes before spreading so it’s soft enough.
What if you don’t have fresh tarragon? Doesn’t work great with dried. If that’s all you have—use half the amount. Chervil works. So does dill. Different flavor but the concept holds.
Can you freeze herb butter toast cubes? Bake them fully first. Cool completely. Freeze in a single layer. Reheat at 175 C for maybe 5 minutes. It’s not the same as fresh but it’s fine.
What bread loaf works best for this? Anything rustic. Sourdough, ciabatta, a basic artisan loaf from the bakery. If it has a crust and won’t collapse when you cut it halfway, it’ll work.
How much smoked paprika is actually a pinch? Like a quarter teaspoon. Less if your paprika is really strong. You want color and a subtle flavor, not to taste paprika specifically.
Does this work as a vegetarian appetizer bread? Totally. It’s vegetarian anyway. Works alongside anything—baked mac and cheese, roasted vegetables, a charcuterie situation where you need a bread element that’s actually interesting.



















