The Battle of Ayutuxtepeque took place during Filisola's campaign in El Salvador, it was a battle led by imperial troops under the command of Vicente Filísola, the Salvadoran troops under the command of Antonio José Cañas which ended in a Salvadoran defeat.
| Conflict: | Battle of Ayutuxtepeque (1823) |
| Partof: | Filísola's campaign in El Salvador |
| Date: | 7 February 1823 |
| Place: | Ayutuxtepeque, El Salvador |
| Result: | Mexican victory |
| Combatant1: |  Mexico |
| Combatant2: |  El Salvador |
| Commander1: | Vicente Filísola Cayetano Bosque |
| Commander2: | Antonio Cañas Fernando Alcolsa |
| Casualties2: | Unknown |
| Casualties1: | Unknown |
On February 6, at night, they stealthily occupied the poorly defended fortifications of Milingo (today Delgado) and El Volcán.
| Conflict: | Battle of El Atajo |
| Place: | El Atajo, El Salvador |
| Date: | 7 February 1823 |
| Partof: | Filísola's campaign in El Salvador |
| Combatant1: | Mexican Empire |
| Combatant2: | El Salvador |
| Result: | Mexican victory |
| Strength1: | 2000 |
| Strength2: | 100 |
| Casualties1: | Unknown |
| Casualties2: | Unknown |
| Commander1: | Vicente Filísola Fernando Cortázar |
| Commander2: | Máximo Cordero |
On February 7, the Salvadoran forces led by Maximo Cordero and the Mexican forces, led by Vicente Filísola and Francisco Cortázar, engaged in combat in El Atajo where they were rejected 2 times until Colonel Cortázar arrived and after 2 hours of combat he seized the Salvadoran trenches.
After the combat at El Atajo, he vigorously attacked Ayutuxtepeque. During this combat, Captain Fernando de Alcolsa was killed by a grenade. Colonel Antonio José Cañas could not contain the invasion ending in a Mexican victory, the Salvadorans were forced to retreat to Mejicanos.
After this, Filísola's forces attacked Callejon del Diablo which was poorly defended by 20 Salvadorans. After 2 hours of combat, the position was taken. Vicente Filísola followed through Mejicanos, where the Salvadorans were completely defeated, after this on February 9, Filísola entered in San Salvador and declared it annexed to the First Mexican Empire.