Roast in a 325 degree F oven for 15 to 20 minutes. The seeds will not change much in color, but will crunch when done. A note about salt: We use kosher salt. If you donât have it on hand, keep this in mind: 1 teaspoon fine sea or table salt = about 1 1/4 teaspoons kosher salt.
Step 3 â Incubate. It takes 21 days on average for an egg to hatch once incubation begins. Before placing the eggs inside, turn on the heat source and measure the temperature and humidity over a 24-hour period, making adjustments as necessary to create the optimal environment.
How long does a robins egg take to hatch? The American Robin will see their eggs hatch in about fourteen  days, after a mating season that lasts from April until July. The  European Robin, a cousin of the American Râ¦obin though not as large  or brightly colored, has roughly the same incubation period. Their  breeding season begins in March.