Fior Di Latte

A modern take on gelato in its purest form – fresh milk, evaporated and concentrated in a rotovap, and sweetened cream; no flavourings, no egg yolks.

Process: rotovap concentration + isolated Maillard step

The ingredient list and totals are unchanged from the standard fior di latte composition. The difference is process: rotovap concentrates the milk while preserving fresh-milk top notes (low temperature, under vacuum), then a small fraction is browned separately and reintroduced to add the deep cooked-milk character that traditional long-cook fior di latte gets from extended pasteurization.

1. Rotovap concentration. Evaporate ~22% of the water from 3 L whole milk before pasteurizing the mix. Standard rotovap conditions; the goal is to concentrate milk solids without applying heat that would denature proteins or volatilize fresh-milk aromatics.
2. Dry-toast the skim milk powder. Spread 70 g SMP in a low oven at 140 °C. Stir every 10 minutes. Continue 30-45 minutes until the color shifts to light brown sugar. This develops the background "cooked" Maillard note that the rotovap deliberately avoided. Cool. Reintroduce into the base as you would untreated SMP.
3. Browned-cream concentrate. Pull ~200 g of the heavy cream (or ~250 g of post-rotovap milk) into a wide stainless or enameled pan — the wide surface area accelerates browning and concentrates the fond.
4. Optional: add a tiny pinch of bicarbonate of soda (0.1-0.2 g per 200 g cream). Raising pH roughly doubles browning rate and pushes the flavor toward the deeper, more "dulce-de-leche" end of the spectrum rather than just toasty. The soda is consumed in the reaction and buffered by the casein when reintroduced — it does not taste of soda in the finished product.
5. Cook the cream over medium heat, stirring continuously with a silicone spatula. Scrape the bottom and sides once color develops. Target temperature ~115-120 °C; visual target deep amber (the color of strong tea or light maple syrup). Pull when the fond is well-developed but not acrid.
6. Deglaze the pan with a little of the remaining cold milk to lift every bit of the fond back into solution. Whisk smooth.
7. Recombine and pasteurize. Return the browned-cream concentrate and the toasted SMP to the main base before the final pasteurization / homogenization step. The brown-cream fines disperse with stabilizer hydration; the toasted SMP integrates as normal. Pasteurize to 85 °C; cool; age 12 hours.
8. Churn and pack. Churn as standard for the existing recipe. Pack pints, blast chill.

What to expect: the result reads as "clean and bright" (the rotovap-preserved fresh-milk character) with a foreground of "crema / light dulce" warmth from the browned-cream concentrate and a quiet background of "cooked-milk" depth from the toasted SMP.