How to make the Bolognese Imperial Soup: the original soft recipe with semolina cubes and Parmigiano
The most common problem with Imperial Soup is the cube that “melts” or releases too much flour, making the broth cloudy.
This usually happens because the dough wasn’t leveled correctly or wasn’t cooked enough. In this recipe we compact the base well and bake it until firm, so you’ll get cubes with clean edges that keep their “imperial” texture even when immersed in boiling broth.
- Difficulty: Very easy
- Cost: Very inexpensive
- Preparation time: 15 Minutes
- Cooking time: 2 Hours
- Portions: 4
- Cooking methods: Oven
- Cuisine: Italian
Ingredients for Bolognese Imperial Soup
- 4 1/4 cups beef broth
- 4 eggs (about 4 eggs)
- 3/4 cup semolina (fine)
- 7/8 cup grated Parmigiano Reggiano
- 5 tbsp butter
- to taste fine salt
- to taste nutmeg
Tools
- Pot
- Saucepan
How to make Bolognese Imperial Soup
Start by washing and peeling the vegetables; put them in a high-sided pot with a drizzle of oil, whole peppercorns and cloves. Add the meat and cover with about 3 liters of water (approximately 3 1/6 quarts or 12 3/4 cups). Cook over medium-high heat for about 2 hours until the liquid has reduced by half. Add another liter of water (about 1 1/16 quarts or 4 1/4 cups) and continue for one hour over low heat. Finally, strain the broth through a fine-mesh sieve and season with salt.
Melt the butter in a saucepan over low heat and let it cool slightly. In a large bowl, put the semolina and the Parmigiano. Add the 4 beaten eggs, the melted butter, salt and a generous grating of nutmeg. Whisk everything until you obtain a homogeneous, lump-free mixture.
Butter a 30×20 cm baking pan and line it with parchment paper. (30×20 cm is about 12×8 inches.) Pour in the mixture and level it carefully with the back of a spoon: compacting it is the secret to perfect cubes. Bake in a preheated static oven at 356°F for 35 minutes. Once out of the oven, let it cool completely before unmolding the block onto a cutting board. First slice into strips and then into cubes of about 1×1 cm (about 3/8 x 3/8 inch).
Heat the broth until it almost boils. Arrange the cubes directly in deep plates and pour the hot broth over them. Serve immediately.
NOTES ON INGREDIENTS AND SUBSTITUTIONS
Semolina (~3/4 cup — 135 g): It’s the ingredient that gives structure. Make sure it’s fine-grain for a more elegant texture.
Parmigiano Reggiano DOP (about 7/8 cup — 90 g): Use a cheese aged at least 24 months for an intense flavor. You can partially replace it with Grana Padano if you prefer a sweeter taste.
Butter (5 tbsp — 75 g): Essential for the softness of the cube. If you want a more aromatic note, you can use clarified butter.
Beef broth: The original recipe calls for a rich homemade meat broth (beef and hen). If you’re in a hurry, a good homemade vegetable broth is an acceptable alternative, but the flavor will change significantly.
TIPS & ADVICE
Cooling: Never cut the block while it’s still warm, otherwise the cubes will crumble.
The broth: Do not cook the cubes in the broth inside the pot! Always pour the broth over the cubes in the plate to prevent them from absorbing too much liquid and becoming soggy.
STORAGE
Ideally, eat the soup immediately to enjoy maximum softness. If you have leftovers, you can store the cubes (without broth) in the refrigerator for up to 2 days. Alternatively, you can freeze them already portioned: they’ll be ready to plunge into boiling broth when needed.
RECIPE VARIATIONS
For an even richer and more savory version (typical of some areas of Emilia), you can add finely chopped mortadella to the mixture. It will give an unmistakable aroma and extra savory note that pairs wonderfully with nutmeg.
FAQ (Questions & Answers)
Why do my cubes crumble when I put them in the broth?
The main reason is cooking or cooling. If the block is not cooked well or is cut while still warm, the semolina structure hasn’t stabilized. Also make sure to pour the hot broth over the cubes directly in the plate and not to boil them in the pot together with the broth.
Can I use bouillon cube broth for this recipe?
Technically yes, but Imperial Soup is meant to highlight a great homemade meat broth. If you use bouillon, make sure it’s high quality and not too salty, because the mixture already contains a lot of Parmigiano Reggiano.
Can I prepare the semolina block the day before?
Absolutely yes! In fact, preparing it in advance and letting it cool well in the fridge will make it even easier to cut into perfect and precise cubes.
Is it necessary to use parchment paper?
Yes, it’s highly recommended. The mixture is rich in eggs and butter and tends to stick to the pan. Parchment paper allows you to unmold the entire block without breaking it, a fundamental step for geometric cutting.
What can I do if I don’t have a 30×20 cm pan?
You can use one of similar size, but pay attention to the thickness: if the pan is smaller, the block will be taller and will require a few more minutes of cooking; if it’s larger, it will be too thin and may dry out. The goal is a thickness of about 1-1.5 cm (about 3/8–5/8 inch).
