The phrase "a bigger layer of" is correct and usable in written English.
It can be used when discussing the thickness or extent of a layer in various contexts, such as cooking, geology, or materials science.
Example: "To achieve a richer flavor, you should add a bigger layer of cheese on top of the lasagna."
Alternatives: "a thicker layer of" or "an increased layer of".
After crunching through a big layer of fennel and arugula, which are both strong and dry, you reach the juicy, sweet watermelon, which has soaked up some of the herbal vinaigrette.
"There is a big layer of people in Iran who favor changes more radical than they would have two years ago," he said as he drove us through thinning evening traffic.
The Swiss authorities, which also face the problem of giant banks based in a medium-sized country, recently rejected structural reform of Credit Suisse and UBS in favour of a big layer of "contingent capital" on top of the Basel 3 regime (see article).
First, I filled the bottom of a big roasting pan with a layer of wood chips (you can usually find hickory or oak in a hardware store or a supermarket) and some water — just enough to keep the chips from catching fire, but not so much that they drown.
But that big top layer of retail speculation fueling silver is a relatively much, much smaller layer in oil's "cake" and slicing the thicker layers of investment interest in crude will require a much, much bigger knife.
With a larger training set, a bigger number of neurons in the hidden layer are required.
"We knew there would be significant losses with the new businesses, but now they're even bigger, adding an additional layer of clouds to surround the issue of profitability," says Levitan.
A big conglomerate is like a big house, Mr. Welch counseled, each floor a layer of management, each wall separating one division from another.
Our biggest problem was a thick layer of dust on the window sills, but we washed and cleaned everything.
The researchers controlled for possible confounding variables influencing their data, such as the fact that people who live at higher latitudes are physically bigger and the possibility that the size of a person's eye socket in colder climates might be bigger to allow for a thicker layer of insulating fat.
