In a saucepan, combine lemon zest, lavender, milk and cream. Bring to a boil. Steep for 20 minutes. Strain. Whisk the egg yolks and sugar together. Whisk 1 cup of the hot cream into the egg mixture. Mix thoroughly. In a steady stream, slowly add the egg mixture to the hot cream mixture. Continue to cook for 4 minutes, stirring occasionally. Remove from the heat and cool completely. Strain the mixture. Add the mixture to the electric ice cream maker. Process according to manufacturers directions.
Per serving: 3020 Calories (kcal); 234g Total Fat; (67% calories from fat); 49g Protein; 201g Carbohydrate; 2420mg Cholesterol; 480mg Sodium Food Exchanges: 0 Grain(Starch); 2 Lean Meat; 0 Vegetable; 1/2 Fruit; 44 Fat; 10 Other Carbohydrates