In a heavy-bottomed saucepan, pour in 1 quart of whole milk and heat it over medium heat, stirring continuously until it reaches 195°F (about 10-12 minutes). Avoid boiling.

While the milk is heating, combine ¾ cup of all-purpose flour, ¼ cup of granulated sugar, and ½ teaspoon of kosher salt in a medium bowl and whisk thoroughly.

In a small saucepan, melt ½ cup of salted butter over low heat for about 5 minutes, stirring occasionally.

Once the milk reaches the desired temperature, stir a few tablespoons of warm milk into the melted butter and then whisk the flour mixture into the butter mixture until smooth.

Gradually add this paste into the hot milk, stirring continuously to prevent lumps.

Allow the mixture to come to a gentle boil, then reduce to low heat and simmer for about 5 minutes until it thickens to a pudding-like consistency.

Remove from heat, scoop into bowls, drizzle with melted butter, and sprinkle with cinnamon-sugar before serving warm.