Bomba de Chocolate

Ingredients

Equipment Needed

• •Heavy 2-liter saucepan
• •Wooden spoon
• •Whisk
• •Two baking sheets
• •Parchment paper
• •Piping bag with 1 to 1.5 cm round or open star tip
• •Skewer or small knife tip
• •Shallow bowl for chilling pastry cream

Instructions

1. 1

   Start the cream

   Put the 2 cups milk in a saucepan and warm it over medium heat until small bubbles gather at the edge. Don't boil it hard. Hot milk thickens the cream faster and more evenly, while boiling milk tries to climb out of the pan like it pays rent there.

2. 2

   Whisk the yolks

   In a bowl, whisk the yolks, 1/2 cup sugar, cornstarch, and pinch of salt until pale and smooth. Whisk for a full minute, until no dry cornstarch hides at the bottom. This matters because lumps start here, not later, and a smooth base gives you cream instead of sweet scrambled regret.

   No powdered pudding mix. This is milk, egg yolk, sugar, and starch doing the job properly. The shortcut saves minutes and costs you the flavor.
3. 3

   Cook the cream

   Pour the hot milk into the yolk mixture slowly, whisking the whole time, then return everything to the saucepan. Cook over medium heat, whisking without drama but without stopping, until it thickens and leaves heavy ribbons on the surface, about 3 to 5 minutes. Let it bubble for 30 seconds so the cornstarch cooks through and loses its raw taste.

4. 4

   Chill the cream

   Take the pan off the heat and whisk in 1 tablespoon butter and the vanilla. Scrape the cream into a shallow bowl, press plastic wrap directly on the surface, and chill until cold and firm, at least 1 hour. The wrap touches the cream so a skin doesn't form, because nobody asked for plastic-looking pudding inside a bomba.

5. 5

   Boil the base

   Heat the oven to 200°C (400°F) and line two baking sheets with parchment. In a heavy saucepan, combine the water, 1/2 cup milk, 1/2 cup butter, 1 tablespoon sugar, and 1/2 teaspoon salt. Bring it to a full boil, with the butter completely melted, because the flour needs hot liquid all at once to swell and build the structure that will puff.

6. 6

   Dry the dough

   Add the flour all at once and stir hard with a wooden spoon. The dough will look rough, then come together into one smooth ball that pulls away from the sides. Keep stirring over medium heat for 2 minutes, until a thin film sticks to the bottom of the pan. That little film is your sign that extra moisture has cooked off, and dry enough dough makes hollow shells instead of flat pancakes.

7. 7

   Beat in eggs

   Move the dough to a bowl and let it cool for 5 minutes, until warm but not hot. Beat in the eggs one at a time, mixing fully before the next. At first each egg will make the dough split and look ruined. Keep going. It comes back together. Stop when the dough is glossy and falls from the spoon in a thick V shape. If it's still stiff and breaks off in chunks, beat the extra egg in a small bowl and add it 1 tablespoon at a time.

8. 8

   Pipe the shells

   Spoon the dough into a piping bag with a 1 to 1.5 cm round or open star tip. Pipe 12 strips, each about 10 cm long, leaving space between them. Smooth any sharp peaks with a damp fingertip. Peaks burn before the rest browns, and space matters because these little things grow bigger than they look.

9. 9

   Bake until dry

   Bake for 15 minutes at 200°C (400°F), then lower the oven to 180°C (350°F) and bake 20 to 25 minutes more, until the shells are deeply golden, firm, and light when lifted. Don't open the oven early. The dough puffs from trapped moisture turning to pressure, and a cold blast collapses it before the walls set.

   Pale choux is underbaked choux. If it looks blonde and soft, give it more time. A proper shell feels dry and sounds a little hollow when tapped.
10. 10

    Release moisture

    Turn off the oven, poke a small hole in the side of each shell with a skewer, and return them to the warm oven with the door cracked for 10 minutes. That tiny hole lets trapped moisture escape, so the shell stays crisp instead of softening from the inside.

11. 11

    Fill the bombas

    Whisk the chilled pastry cream until smooth, then spoon it into a clean piping bag. Pipe cream into each shell through the hole, stopping when the shell feels pleasantly heavy. Don't force it until it bursts. Full is good. Exploded is lunch for the cook, which is not tragic, but still.

12. 12

    Glaze with chocolate

    Warm the heavy cream just until hot, then pour it over the chopped chocolate and wait 2 minutes. Stir from the center until glossy, then stir in 1 tablespoon butter. Dip the top of each filled bomba into the glaze and set it on a tray until the chocolate settles soft and shiny. If the glaze is too runny, wait a few minutes. If it's too thick, warm it gently for a few seconds.

Chef Tips

• •Use room-temperature eggs. Cold eggs stiffen the dough and make you add too much, then the shells spread instead of rising. A choux dough should shine and fall slowly from the spoon, not pour.
• •The honest Tuesday shortcut is making the pastry cream and shells the day before. The dishonest shortcut is powdered filling. One saves your schedule. The other sells you the flavor of a cupboard.
• •If your shells collapse, they were usually underbaked or shocked by the oven door opening early. Bake them until properly golden and let them dry with the door cracked.
• •No piping bag? Use a sturdy zip-top bag with one corner cut off. The lines won't be as tidy, but tidy is not dinner, and it is not dessert either.
• •Fill close to serving time if you want the crispest shell. Filled bombas keep, but the cream softens the pastry as it sits. That's not failure. That's physics.

Advance Preparation

• •The pastry cream can be made up to 2 days ahead and kept covered in the refrigerator with plastic wrap pressed directly on the surface.
• •The choux shells can be baked 1 day ahead. Keep them unfilled in an airtight container at room temperature, then crisp them for 5 minutes in a 160°C (325°F) oven before filling.
• •Filled bombas keep in the refrigerator for up to 2 days, though the shell is best on the first day.
• •Unglazed, unfilled shells freeze for up to 1 month. Reheat from frozen at 160°C (325°F) until dry and crisp again.

Frequently Asked Questions

Nutrition Information

1 serving (about 125g)