Preheat oven to 350°F with rack in middle. Generously butter a 9- by 2-inch round cake pan and line bottom with a round of parchment paper.
Toast coconut in a small baking pan in oven, stirring once or twice, until golden, 8 to 12 minutes. Cool. Leave oven on.
Beat together butter, granulated sugar, and zest with an electric mixer until fluffy. Beat in eggs 1 at a time. Stir together flour and 1/2 cup coconut (reserve remainder for topping). Stir together milk and 2 tablespoons lime juice. At low speed, mix flour and milk mixtures into egg mixture alternately in batches, beginning and ending with flour.
Spoon batter into pan and smooth top. Bake until golden and a wooden pick inserted into center comes out clean, 40 to 45 minutes. Cool to warm, then turn out of pan and discard parchment.
Whisk together confectioners sugar, remaining 2 tablespoons lime juice, and rum (if using) and pour over cake. Sprinkle with remaining coconut.

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Nutrition Facts

Per Serving Per 100 g

Amount Per 1 Serving
Calories	506.39 Kcal (2120 kJ)
Calories from fat	144.4 Kcal
		% Daily Value*
Total Fat	16.04g	25%
Cholesterol	77.33mg	26%
Sodium	357.93mg	15%
Potassium	122.81mg	3%
Total Carbs	86.28g	29%
Sugars	61.38g	246%
Dietary Fiber	1.3g	5%
Protein	5.48g	11%
Vitamin C	0.1mg	0%
Vitamin A	0.1mg	5%
Iron	1.8mg	10%
Calcium	132.5mg	13%

Amount Per 100 g
Calories	323.54 Kcal (1355 kJ)
Calories from fat	92.26 Kcal
		% Daily Value*
Total Fat	10.25g	25%
Cholesterol	49.41mg	26%
Sodium	228.68mg	15%
Potassium	78.47mg	3%
Total Carbs	55.12g	29%
Sugars	39.22g	246%
Dietary Fiber	0.83g	5%
Protein	3.5g	11%
Vitamin C	0.1mg	0%
Vitamin A	0.1mg	5%
Iron	1.2mg	10%
Calcium	84.7mg	13%

* 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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Recipe Tags

Weightwatchers Points

11.2

Points
14

PointsPlus

Good Points

saturated fat free

Bad Points

High in Sugar

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