Preheat the oven to 357 degrees. In a cake pan, drizzle garlic with oil. Cover with foil and roast for 40 minutes, until tender. Let cool, then squeeze out cloves. Mash the garlic to a paste and transfer to saucepan.
Add half-and-half, thyme, and rosemary. Bring to a boil and simmer over very low heat until reduced to 3 cups, approximately 20 minutes; season with salt and pepper.
Arrange 1/4 of the potatoes in the bottom of a 9x13 baking dish. Top with 1/4 of the grated cheeses and drizzle lightly with the garlic cream.
Repeat layering in the same way with the rest of the ingredients. Pour any remaining cream on top and press top layer of potatoes to submerge.
Bake gratin for about 1-1/2 hours, until golden and bubbling. Let cool twenty minutes before cutting into squares and serving.

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Nutrition Facts

Per Serving Per 100 g

Amount Per 1 Serving
Calories	417.55 Kcal (1748 kJ)
Calories from fat	214.33 Kcal
		% Daily Value*
Total Fat	23.81g	37%
Cholesterol	75mg	25%
Sodium	323.69mg	13%
Potassium	924.81mg	20%
Total Carbs	37.93g	13%
Sugars	2.29g	9%
Dietary Fiber	1.94g	8%
Protein	16.5g	33%
Vitamin C	35.4mg	59%
Iron	153.1mg	851%
Calcium	479mg	48%

Amount Per 100 g
Calories	133.58 Kcal (559 kJ)
Calories from fat	68.57 Kcal
		% Daily Value*
Total Fat	7.62g	37%
Cholesterol	23.99mg	25%
Sodium	103.56mg	13%
Potassium	295.87mg	20%
Total Carbs	12.14g	13%
Sugars	0.73g	9%
Dietary Fiber	0.62g	8%
Protein	5.28g	33%
Vitamin C	11.3mg	59%
Iron	49mg	851%
Calcium	153.3mg	48%

* Percent Daily Values are based on a 2000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.
Find out how many calories should you eat.

Tastes

salty
savory
bitter
sweet

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